- Difficulty date
- July 8, 2010
- Submitted
- July 9, 2010
- Operation
- Air carrier
- Make and model
- Boeing 777222
- Aircraft serial
- 26948
- Aircraft time
- 58,373 hours, 8,628 cycles
- Engine
- Pwa PW40903
- Part
- Pump
- Condition
- Malfunctioned
- Location
- Fuel Boost
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL PUMP R AFT RIGHT AFT FUEL PUMP OUTPUT PRESSURE IS LOW. DEACTIVATED RT AFT PUMP. FAULT MESSAGE 28-12013. FOLLOWED FIM28-22 TASK 821. REPLACED RELAY K28242, TRIED SWITCH S10 AND CARDS M24403A5 & M24403A6, NO HELP. NOW POPS AFT PUMP C-B. INSTALLED ORIGINAL CARDS. SUSPECT R AFT BST PUMP. REPLACED RT AFT BOOST PUMP. LEAK AND OPS CHECK OK.