- Difficulty date
- May 12, 2019
- Submitted
- May 15, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36356
- Aircraft time
- 12,442 hours, 4,105 cycles
- Part
- Pump
- Part number
- 8283005
- Part serial
- YA0580346
- Condition
- Leaking
- Location
- Nr 1 Engine
- Part time
- 12,439 hours, 4,104 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- K, B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE SERVICING NR 1 ENGINE OIL NOTED HEAVY FUEL SMELL IN COWLING. GROUNDED - YES. FOUND FUEL LEAKING FROM NR 1 ENGINE GEAR STAGE PRESSURE RELIEF VALVE DURING IDLE RUN. REQUIRES FUEL FUMP CHANGE. REMOVED & REPLACED NR 1 FUEL PUMP REF AMM 73-11-01-400-801-F00 & AMM 73-11-01-000-801-F00.