What was found
APU CONTROL APUC DETECTED FAILURE OF REDUNDANT CONTROL FUNCTION OR LOSS OF ONE ARINC 629 CHANNEL. STATUS REPLACED APU STARTER. INSTALLATION TEST CHECKS NORMAL. APU OPS NORMAL.
- Difficulty date
- August 19, 2009
- Submitted
- August 21, 2009
- Operation
- Air carrier
- Aircraft
- N222UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30553
- Aircraft time
- 33,477 hours, 4,155 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Starter
- Part number
- 27044425
- Part serial
- 40
- Condition
- Failed
- Location
- Apu
- Stage of operation
- NR
- 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.