What was found
NR 4 ENG IN FLT SHUTDOWN, WITH EICAS MESSAGE FOR FUEL VALVE. RE-START ATTEMPT WAS NOT SUCCESSFUL. CHECKED CHIP DETECTOR, MAIN GEAR BOX AND OIL TANK. FOUND MASSIVE AMOUNT OF METAL ON BOTH DETECTORS. REPLACED NR 4 ENGINE PER AMM.
- Difficulty date
- November 26, 2011
- Submitted
- December 19, 2011
- Operation
- Air carrier
- Aircraft
- N118UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28811
- Aircraft time
- 51,325 hours, 6,211 cycles
- Engine
- Pwa PW4056
- Engine time
- 48,443 hours, 5,769 cycles
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Making Metal
- Location
- Nr 4
- Part time
- 48,443 hours, 5,769 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.