What was found
APU FAULT DURING SHUTDOWN. FAULT LGT ILLUM AND EICAS MSG APU FAULT DISPLAYED. REPLACED VALVE ACTUATOR IAW AMM, OPS GOOD.
- Difficulty date
- December 31, 2010
- Submitted
- January 7, 2011
- Operation
- Air carrier
- Aircraft
- N552UA
- Make and model
- Boeing 757222
- Aircraft serial
- 26641
- Aircraft time
- 72,361 hours, 20,832 cycles
- Engine
- Pwa PW2040
- System (JASC)
- 4960 · APU Controls
- Part
- Actuator
- Part number
- S343T00339
- Part serial
- 27
- Condition
- Faulty
- Location
- Apu
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.