Jan 12, 1992
Incident
Minor BALTIMORE, MD
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 121
Probable Cause
IMPROPER INSTALLATION OF THE LOW FUEL PRESSURE WARNING SWITCH SNUBBER ON THE #1 ENGINE, RESULTING IN FATIGUE FAILURE OF THE SNUBBER, A FUEL LEAK (SPRAY), AND SUBSEQUENT EXPLOSION/FIRE DAMAGE. A FACTOR RELATED TO THE INCIDENT WAS: INADEQUATE DESIGN OF THE FIREWALL, WHICH ALLOWED FUEL VAPORS TO MIGRATE TO THE HOT SECTION OF THE ENGINE.
NTSB BFO92IA017