SDR 96ZZZX1037

Service difficulty report · Fuel Pump · Bolkms BK117A3

Difficulty date
January 13, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N39181
Make and model
Bolkms BK117A3
Aircraft serial
7003
Engine
Lyc LTS101650B1
Part
Fuel Pump
Part number
430112810
Condition
Leakage
Location
Engine
Part time
129 hours
Component
Bendix
Stage of operation
CR
Nature of condition
Y
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

INTERNAL LEAKAGE OF FUEL PUMP WASHED GREASE FROM BEARING OF FUEL CONTROL CAUSING AN ENGINE TO OVERSPEED. THERE WAS NO INDICATION PRIOR TO THE FAILURE. THE FUEL CONTOL SEIZED AND THE NYLON COUPLING SPLINES SHEARED.