What was found
AIRCRAFT WAS GROUNDED: ON APU SHUTDOWN, SMOKE COMING FROM TAIL PIPE. MAINTENANCE FOUND OIL LEAKING FROM THE REAR MAIN BEARINGS INTO THE APU TAIL PIPE AND REPLACED THE APU IAW TASK CARD 26L31049003.
- Difficulty date
- August 3, 2016
- Submitted
- August 8, 2016
- Operation
- Air carrier
- Aircraft
- N973UY
- Make and model
- Airbus A321231
- Aircraft serial
- 4893
- Aircraft time
- 17,543 hours, 6,471 cycles
- Engine
- Iae V2533A5
- Engine time
- 17,570 hours, 6,483 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- 38007081
- Part serial
- P4905
- Condition
- Leaking
- Location
- Zone 100
- Part time
- 17,570 hours, 6,483 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- H
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.