Didn't happen to me, but was a live witness of this happening:
One Stackpole-chain results in 5 dead mechs, 2 dead vees, and 2 immobilized vees! :D
Weapons fire for Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment)
MRM 20 at Nightsky NGS-6S ID:2 (10th Lyran Guards); needs 6, rolls 10 : 16 missile(s) hit.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to LT.
SECTION DESTROYED,
3 damage transfers to CT.
Critical hit on LT. Roll is 9; 1 location.
CRITICAL HIT on Engine.
*** Nightsky NGS-6S ID:2 (10th Lyran Guards) DESTROYED by engine destruction! ***
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 3 damage to CT.
4 Internal Structure remaining
Critical hit on CT. Roll is 8; 1 location.
CRITICAL HIT on Engine.
Nightsky NGS-6S ID:2 (10th Lyran Guards) has taken 4 engine hits this phase.
Checking for engine explosion on 10, roll is 10.
***The safety systems on the engine fail catastrophically resulting in a cascading engine failure!
Start Secondary Damage Report.
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) is hit for 30 damage!
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) takes 5 damage to RA.
5 damage transfers to RT.
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) takes 5 damage to RT.
5 Internal Structure remaining
Critical hit on RT. Roll is 5; no effect.
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) takes 5 damage to LL.
11 Armor remaining.
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) takes 5 damage to CT.
5 Armor remaining.
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) takes 5 damage to RA.
5 damage transfers to RT.
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) takes 5 damage to RT.
SECTION DESTROYED,
Critical hit on RT. Roll is 9; 1 location.
CRITICAL HIT on Engine.
*** Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) DESTROYED by engine destruction! ***
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) has taken 5 engine hits this phase.
Checking for engine explosion on 10, roll is 11.
***The safety systems on the engine fail catastrophically resulting in a cascading engine failure!
Start Secondary Damage Report.
Nightsky NGS-6S ID:2 (10th Lyran Guards) is hit for 35 damage!
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to CT.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to RA.
5 damage transfers to RT.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to RT.
Armor destroyed, 9 Internal Structure remaining
Critical hit on RT. Roll is 7; no effect.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to LL.
8 Armor remaining.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to RT.
4 Internal Structure remaining
Critical hit on RT. Roll is 6; no effect.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to RT.
SECTION DESTROYED,
1 damage transfers to CT.
Critical hit on RT. Roll is 7; no effect.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 1 damage to CT.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to RT.
5 damage transfers to CT.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to CT.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to RA.
5 damage transfers to RT.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to RT.
5 damage transfers to CT.
Nightsky NGS-6S ID:2 (10th Lyran Guards) takes 5 damage to CT.
Spector SPR-ST ID:3 (10th Lyran Guards) is hit for 8 damage!
Spector SPR-ST ID:3 (10th Lyran Guards) takes 5 damage to LL.
11 Armor remaining.
Spector SPR-ST ID:3 (10th Lyran Guards) takes 3 damage to LT.
7 Armor remaining.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) is hit for 17 damage!
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to LA.
Armor destroyed, 5 Internal Structure remaining
Critical hit on LA. Roll is 9; 1 location.
CRITICAL HIT on Shoulder.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to RL.
5 damage transfers to RTR.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to RTR.
Armor destroyed, 11 Internal Structure remaining
Critical hit on RT. Roll is 8; 1 location.
CRITICAL HIT on Ultra AC/20 Ammo (5).
*** Ultra AC/20 Ammo EXPLODES! 100 DAMAGE! *** Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 100 damage to RT.
SECTION DESTROYED,
LIMB BLOWN OFF Right Arm blown off.
89 damage transfers to CT.
Critical hit on RT. Roll is 5; no effect.
*** Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) DESTROYED by engine destruction! ***
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 89 damage to CT.
SECTION DESTROYED,
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) has taken 8 engine hits this phase.
Checking for engine explosion on 10, roll is 7.
Engine safety systems remain in place.
Critical hit on CT. Roll is 7; no effect.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to RA.
5 damage transfers to RTR.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to RTR.
5 damage transfers to CTR.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to CTR.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 2 damage to LTR.
2 Armor remaining.
Chimera CMA-C ID:9 (5th Ghost Regiment) is hit for 17 damage!
Chimera CMA-C ID:9 (5th Ghost Regiment) takes 5 damage to RL.
Armor destroyed, 8 Internal Structure remaining
Critical hit on RL. Roll is 9; 1 location.
CRITICAL HIT on Upper Leg.
Chimera CMA-C ID:9 (5th Ghost Regiment) takes 5 damage to CT.
9 Armor remaining.
Chimera CMA-C ID:9 (5th Ghost Regiment) takes 5 damage to HD.
Armor destroyed, 2 Internal Structure remaining
Critical hit on HD. Roll is 5; no effect.
Pilot of Chimera CMA-C ID:9 (5th Ghost Regiment) "Chu-i Emiko "Ouka" Yasuhiro" takes 1 damage.
Pilot of Chimera CMA-C ID:9 (5th Ghost Regiment) "Chu-i Emiko "Ouka" Yasuhiro" needs a 5 to stay conscious. Rolls 7 : successful!
Chimera CMA-C ID:9 (5th Ghost Regiment) takes 2 damage to LA.
4 Internal Structure remaining
Critical hit on LA. Roll is 6; no effect.
Sentinel STN-4K ID:10 (5th Ghost Regiment) is hit for 35 damage!
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LTR.
0 Armor remaining.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to RL.
4 Internal Structure remaining
Critical hit on RL. Roll is 4; no effect.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LTR.
5 Internal Structure remaining
Critical hit on LT. Roll is 4; no effect.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LA.
4 Armor remaining.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LL.
4 Internal Structure remaining
Critical hit on LL. Roll is 5; no effect.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LTR.
SECTION DESTROYED,
LIMB BLOWN OFF Left Arm blown off.
Critical hit on LT. Roll is 7; no effect.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LL.
SECTION DESTROYED,
1 damage transfers to LTR.
Critical hit on LL. Roll is 8; 1 location.
CRITICAL HIT on Foot.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 1 damage to LTR.
1 damage transfers to CTR.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 1 damage to CTR.
5 Armor remaining.
Sentinel STN-6K ID:11 (5th Ghost Regiment) is hit for 35 damage!
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to LT.
10 Armor remaining.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to LL.
13 Armor remaining.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to RT.
5 damage transfers to CT.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to CT.
4 Armor remaining.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to HD.
4 Armor remaining.
Pilot of Sentinel STN-6K ID:11 (5th Ghost Regiment) "Shujin Hoshiko Yamaguchi" takes 1 damage.
Pilot of Sentinel STN-6K ID:11 (5th Ghost Regiment) "Shujin Hoshiko Yamaguchi" needs a 5 to stay conscious. Rolls 7 : successful!
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to LL (critical).
8 Armor remaining.
Critical hit on LL. Roll is 9; 1 location.
CRITICAL HIT on Lower Leg.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to LA.
7 Armor remaining.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to LT.
5 Armor remaining.
Pegasus Scout Hover Tank (MRM) ID:13 (5th Ghost Regiment) is hit for 17 damage!
Pegasus Scout Hover Tank (MRM) ID:13 (5th Ghost Regiment) takes 5 damage to LS.
14 Armor remaining.
Pegasus Scout Hover Tank (MRM) ID:13 (5th Ghost Regiment) takes 5 damage to FR.
17 Armor remaining.
Pegasus Scout Hover Tank (MRM) ID:13 (5th Ghost Regiment) takes 5 damage to FR.
12 Armor remaining.
Pegasus Scout Hover Tank (MRM) ID:13 (5th Ghost Regiment) takes 2 damage to FR.
10 Armor remaining.
Pegasus Scout Hover Tank (MRM) ID:14 (5th Ghost Regiment) is hit for 17 damage!
Pegasus Scout Hover Tank (MRM) ID:14 (5th Ghost Regiment) takes 5 damage to LS.
14 Armor remaining.
Pegasus Scout Hover Tank (MRM) ID:14 (5th Ghost Regiment) takes 5 damage to FR.
2 Armor remaining.
Pegasus Scout Hover Tank (MRM) ID:14 (5th Ghost Regiment) takes 5 damage to FR.
Armor destroyed, 1 Internal Structure remaining
Critical hit on FR. Roll is 8; Stabilizer destroyed!
Pegasus Scout Hover Tank (MRM) ID:14 (5th Ghost Regiment) takes 2 damage to FR.
SECTION DESTROYED,
*** Pegasus Scout Hover Tank (MRM) ID:14 (5th Ghost Regiment) DESTROYED by damage! ***
Critical hit on FR. Roll is 8; Sensors Hit!
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) is hit for 35 damage!
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to FR.
10 Armor remaining.
Critical hit on movement system. Roll is 7; (w/ +2 bonus)
Minor damage, +1 to driving skill rolls.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to FR.
5 Armor remaining.
Critical hit on movement system. Roll is 5; (w/ +2 bonus)
no effect.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to RS.
11 Armor remaining.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to TU.
20 Armor remaining.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to RS.
6 Armor remaining.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to RS.
1 Armor remaining.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to RS.
Armor destroyed, SECTION DESTROYED,
*** Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) DESTROYED by damage! ***
Critical hit on RS. Roll is 7; Crew stunned for 1 turns.
Saracen Medium Hover Tank (MRM) ID:16 (5th Ghost Regiment) is hit for 17 damage!
Saracen Medium Hover Tank (MRM) ID:16 (5th Ghost Regiment) takes 5 damage to LS.
16 Armor remaining.
Saracen Medium Hover Tank (MRM) ID:16 (5th Ghost Regiment) takes 5 damage to FR.
20 Armor remaining.
Critical hit on movement system. Roll is 13; (w/ +2 bonus)
Major damage, vehicle immobile.
Saracen Medium Hover Tank (MRM) ID:16 (5th Ghost Regiment) takes 5 damage to LS.
11 Armor remaining.
Saracen Medium Hover Tank (MRM) ID:16 (5th Ghost Regiment) takes 2 damage to LS.
9 Armor remaining.
End Secondary Damage Report.
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) takes 5 damage to LT.
SECTION DESTROYED,
LIMB BLOWN OFF Left Arm blown off.
4 damage transfers to CT.
Critical hit on LT. Roll is 8; 1 location.
CRITICAL HIT on *Ultra AC/20.
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) takes 4 damage to CT.
Blitzkrieg BTZ-3F ID:1 (10th Lyran Guards) takes 5 damage to RL.
Armor destroyed, 8 Internal Structure remaining
Critical hit on RL. Roll is 5; no effect.
Spector SPR-ST ID:3 (10th Lyran Guards) is hit for 15 damage!
Spector SPR-ST ID:3 (10th Lyran Guards) takes 5 damage to LL.
6 Armor remaining.
Spector SPR-ST ID:3 (10th Lyran Guards) takes 5 damage to RT.
7 Armor remaining.
Spector SPR-ST ID:3 (10th Lyran Guards) takes 5 damage to LT.
2 Armor remaining.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) is hit for 15 damage!
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to RL.
5 damage transfers to RT.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to RT.
5 damage transfers to CT.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to CT.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to LT.
8 Armor remaining.
Blitzkrieg BTZ-3F ID:5 (10th Lyran Guards) takes 5 damage to CT.
Chimera CMA-C ID:9 (5th Ghost Regiment) is hit for 30 damage!
Chimera CMA-C ID:9 (5th Ghost Regiment) takes 5 damage to LT.
7 Armor remaining.
Chimera CMA-C ID:9 (5th Ghost Regiment) takes 5 damage to RT.
7 Armor remaining.
Chimera CMA-C ID:9 (5th Ghost Regiment) takes 5 damage to RT.
2 Armor remaining.
Chimera CMA-C ID:9 (5th Ghost Regiment) takes 5 damage to HD.
SECTION DESTROYED,
*** Chimera CMA-C ID:9 (5th Ghost Regiment) DESTROYED by damage! ***
Critical hit on HD. Roll is 6; no effect.
Chimera CMA-C ID:9 (5th Ghost Regiment) takes 5 damage to CT.
4 Armor remaining.
Chimera CMA-C ID:9 (5th Ghost Regiment) takes 5 damage to LT.
2 Armor remaining.
Sentinel STN-4K ID:10 (5th Ghost Regiment) is hit for 30 damage!
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to CT.
7 Armor remaining.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LA.
5 damage transfers to LT.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LT.
5 damage transfers to CT.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to CT.
2 Armor remaining.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LL.
5 damage transfers to LT.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LT.
5 damage transfers to CT.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to CT.
Armor destroyed, 9 Internal Structure remaining
Critical hit on CT. Roll is 5; no effect.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LA.
5 damage transfers to LT.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LT.
5 damage transfers to CT.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to CT.
4 Internal Structure remaining
Critical hit on CT. Roll is 7; no effect.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to RL.
SECTION DESTROYED,
1 damage transfers to RT.
Critical hit on RL. Roll is 6; no effect.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 1 damage to RT.
3 Armor remaining.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to LT.
5 damage transfers to CT.
Sentinel STN-4K ID:10 (5th Ghost Regiment) takes 5 damage to CT.
SECTION DESTROYED,
Sentinel STN-4K ID:10 (5th Ghost Regiment) has taken 6 engine hits this phase.
Checking for engine explosion on 10, roll is 7.
Engine safety systems remain in place.
*** Sentinel STN-4K ID:10 (5th Ghost Regiment) DESTROYED by damage! ***
Critical hit on CT. Roll is 8; 1 location.
CRITICAL HIT on Engine.
Sentinel STN-6K ID:11 (5th Ghost Regiment) is hit for 30 damage!
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to CT.
Armor destroyed, 11 Internal Structure remaining
Critical hit on CT. Roll is 4; no effect.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to LT.
0 Armor remaining.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to LL.
3 Armor remaining.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to CT.
6 Internal Structure remaining
Critical hit on CT. Roll is 7; no effect.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to RA.
5 damage transfers to RT.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to RT.
5 damage transfers to CT.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to CT.
1 Internal Structure remaining
Critical hit on CT. Roll is 8; 1 location.
CRITICAL HIT on Engine.
Sentinel STN-6K ID:11 (5th Ghost Regiment) takes 5 damage to LA.
2 Armor remaining.
Pegasus Scout Hover Tank (MRM) ID:13 (5th Ghost Regiment) is hit for 15 damage!
Pegasus Scout Hover Tank (MRM) ID:13 (5th Ghost Regiment) takes 5 damage to FR.
5 Armor remaining.
Pegasus Scout Hover Tank (MRM) ID:13 (5th Ghost Regiment) takes 5 damage to LS.
9 Armor remaining.
Pegasus Scout Hover Tank (MRM) ID:13 (5th Ghost Regiment) takes 5 damage to FR.
0 Armor remaining.
Critical hit on movement system. Roll is 14; (w/ +2 bonus)
Major damage, vehicle immobile.
Pegasus Scout Hover Tank (MRM) ID:14 (5th Ghost Regiment) is hit for 15 damage!
Pegasus Scout Hover Tank (MRM) ID:14 (5th Ghost Regiment) takes 5 damage to FR.
Critical hit on movement system. Roll is 13; (w/ +2 bonus)
Major damage, vehicle immobile.
Pegasus Scout Hover Tank (MRM) ID:14 (5th Ghost Regiment) takes 5 damage to FR.
Pegasus Scout Hover Tank (MRM) ID:14 (5th Ghost Regiment) takes 5 damage to FR.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) is hit for 30 damage!
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to TU.
15 Armor remaining.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to TU.
10 Armor remaining.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to RS.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to RS.
Critical hit on movement system. Roll is 8; (w/ +2 bonus)
Moderate damage, +2 to driving skill rolls, -1 MP.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to RR.
19 Armor remaining.
Saracen Medium Hover Tank (MRM) ID:15 (5th Ghost Regiment) takes 5 damage to RS.
Saracen Medium Hover Tank (MRM) ID:16 (5th Ghost Regiment) is hit for 15 damage!
Saracen Medium Hover Tank (MRM) ID:16 (5th Ghost Regiment) takes 5 damage to RR.
19 Armor remaining.
Saracen Medium Hover Tank (MRM) ID:16 (5th Ghost Regiment) takes 5 damage to RR (critical).
14 Armor remaining.
Critical hit on RR. Roll is 7; Engine destroyed. Immobile.
Saracen Medium Hover Tank (MRM) ID:16 (5th Ghost Regiment) takes 5 damage to LS.
4 Armor remaining.
Critical hit on movement system. Roll is 13; (w/ +2 bonus)
Major damage, vehicle immobile.
End Secondary Damage Report.