What was found
LEFT WING MAIN AFT BOOST PUMP HOUSING VALVE PLATE WILL NOT PROPERLY CLOSE DURING PUMP REMOVAL. NEEDS HOUSING REPLACED ESTIMATE 4 SHIFTS TO REPLACE. FUEL PUMP INSTALLED WITH NO LEAKS NOTED. WILL REQUIRE TANK ENTRY TO ACCOMPLISH.
- Difficulty date
- January 5, 2011
- Submitted
- January 31, 2011
- Operation
- Air carrier
- Aircraft
- N778UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26940
- Aircraft time
- 59,253 hours, 10,679 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2822 · Fuel Boost Pump
- Part
- Housing
- Part number
- 568129116002
- Condition
- Damaged
- Location
- Boost Pump
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.