SDR 97ZZZX4308

Service difficulty report · Shaft · Gulstm 690A

Difficulty date
September 1, 1997
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N333CA
Make and model
Gulstm 690A
Aircraft serial
11136
Engine
Garrtt TPE3315
Part
Shaft
Part number
31017261
Condition
Sheared
Location
Torque Sensor
Part time
4,719 hours
Stage of operation
AP
Nature of condition
Y
Precautionary procedure
E

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

What was found

WITH AIRCRAFT AT 4,000 FEET WHILE BEING VECTORED FOR LANDING, LEFT ENGINE FAILED. PILOT COMPLETED ENGINE SHUT DOWN. UNEVENTFUL LANDING MADE. MAINTENANCE FOUND TORQUE SENSOR SHAFT HAD SHEARED. THIS GEAR ALSO DRIVES THE OIL SCAVENGE PUMP AND THE FUEL PUMP; THUS, WHEN THE ENGINE LOST FUEL PRESSURE, THE ENGINE FLAMED OUT. TORQUE SENSOR REPLACED WITH NEW STYLE 3101726-3.