- Difficulty date
- March 8, 2009
- Submitted
- March 10, 2009
- Operation
- Air carrier
- Make and model
- Boeing 777222
- Aircraft serial
- 28713
- Aircraft time
- 45,233 hours, 6,527 cycles
- Engine
- Pwa PW40903
- Part
- Starter
- Condition
- Faulty
- Location
- Apu
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAILED TO START AND GENERATED FAULT CODE 49-10620. ORDERED DC-STARTER MOTOR PCN 651-0308 & APU CRANK CONTROL RELAY. REPLACED APU CRANK RELAY K2449 4 AND AUTO START CONT RELAY K24030, NO HELP. REPLACED APU CONTROLLER COMPUTER, NO HELP. RE-INSTALLED ORIGINAL APUC. REPLACED APU STARTER, OPS CHECK NORMAL. NO MSG DISPLAY.