Aug 6, 1993
Accident
Substantial MILLARD, NE
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
IMPROPER MAINTENANCE/INSPECTION OF THE AIRCRAFT BY (OTHER) MAINTENANCE PERSONNEL, AND SUBSEQUENT BLOCKAGE OF THE INDUCTION AIR SYSTEM BY AN OBJECT (ALTERNATE AIR DOOR) THAT WAS NOT REMOVED DURING PREVIOUS MAINTENANCE.
NTSB CHI93LA311