SERS · BOEING 727-251 · 1990-09-29 · DETROIT, MI, USA
Event
NTSB number
CHI90FA278
Event ID
20001212X24215
Type
Accident
Date
1990-09-29
Location
DETROIT, MI, USA
Injuries
Highest injury
SERS
Fatal
0
Serious
2
Minor
2
Uninjured
128
Total aboard
132
Aircraft
Make
BOEING
Model
727-251
Registration
N278US
FAR Part
121
Engines
3
Damage
MINR
Conditions
Light
DAYL
Weather
VMC
Probable cause
THE INTENTIONAL ACTIVATION OF THE AUXILLARY POWER UNIT BY THE FLIGHT ENGINEER, AND THE IMPROPER EVACUATION PROCEDURES BY THE PILOT IN COMMAND. AN ASSOCIATED FACTOR IN THE ACCIDENT WAS THE APU CIRCUIT BREAKERS WERE NOT PULLED BY COMPANY MAINTENANCE PERSONNEL.