What was found
APU FAIL STATUS MESSAGE. REPLACED APU, THE IGV ACTUATOR AND THE APUC. VERIFIED CORRECT SOFTWARE INSTALLED. BOTH MESSAGES CLEARED.
- Difficulty date
- July 7, 2012
- Submitted
- August 9, 2012
- Operation
- Air carrier
- Aircraft
- N780UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26944
- Aircraft time
- 65,380 hours, 11,550 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Part serial
- P1393331
- Condition
- Failed
- Location
- Apu Bay
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.