What was found
UNWANTED FUEL TRANSFER, LEFT AFT OVR PUMP SHOWS GREEN W-44.0 IN CTR QTY IN MAIN 2 DOES NOT GO DOWN. REPLACED RT DISCHARGE CHECK VALVE AND REPLACED CRACKED RT SCAVENGE FUEL LINE.
- Difficulty date
- June 18, 2006
- Submitted
- June 27, 2006
- Operation
- Air carrier
- Aircraft
- N199UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28717
- Aircraft time
- 35,351 hours, 4,364 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2820 · Aircraft Fuel Distribution System
- Part
- Unknown
- Condition
- Unknown
- Location
- Fuel System
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.