What was found
APU DID AUTO SHUTDOWN AND HAD STATUS MESSAGE. FOUND APU OIL COOLER DUCT BLOWN, REPLACED DUCT. OPS CHECKED OKAY.
- Difficulty date
- August 17, 2011
- Submitted
- August 26, 2011
- Operation
- Air carrier
- Aircraft
- N211UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30217
- Aircraft time
- 40,224 hours, 8,842 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 4990 · APU Oil System
- Part
- Duct
- Condition
- Failed
- Location
- Apu Oil Cooler
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.