What was found
OIL ODOR FROM APU. REMOVED AND REPLACED APU IAW 49-11-01.
- Difficulty date
- December 2, 2011
- Submitted
- December 9, 2011
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 85,095 hours, 9,546 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Part number
- S351U0023
- Part serial
- 900582PWC
- Condition
- Odor
- Location
- Pos A
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.