Jan 26, 1993
Incident
DETROIT, MI
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 121
Probable Cause
IMPROPER LUBRICATION OF THE HORIZONTAL STABILIZER GEARBOX BY COMPANY MAINTENANCE PERSONNEL. A FACTOR WAS THE MANUFACTURER'S INADEQUATE SERVICE PROCEDURE.
NTSB CHI93IA078