What was found
APU FAULT LIGHT CAME ON DURING START AND STAYED ON. REPLACED APU AS PRECAUTIONARY.
- Difficulty date
- April 25, 2009
- Submitted
- April 29, 2009
- Operation
- Air carrier
- Aircraft
- N778UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26940
- Aircraft time
- 52,480 hours, 9,605 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- 38005501
- Part serial
- P1127331
- Condition
- Malfunctioned
- Location
- Apu Bay
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.