# SDR AALA20160406006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2016
- Submitted: April 6, 2016
- Operation: Air carrier
- Aircraft: [N494AA](https://openairdocs.org/aircraft/N494AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49732
- Aircraft time: 77,406 hours, 41,633 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Bearing
- Condition: Failed
- Location: Apu
- Component: Apu, Honeywell, GTCP36
- Component part number: 5940405503
- Stage of operation: IN
- How discovered: O
- Nature of condition: A, B, P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20160406006

## Discrepancy

AIRCRAFT WAS GNDED.  FLAMES REPORTED COMING FROM APU EXHAUST & SMOKE FROM APU INLET.  NO FIRE WARNING OR INDICATION.  SHUTDOWN APU. REPORTED TOTAL OIL QTY LOSS.  FOUND TURBINE FAILURE DUE TO REAR BEARING FAILURE.  R & R APU IAW MCM 49-96-82.  ACCOMPLISHED OPERATIONAL & LEAK CHECKS.  SYS CHECKED NORMAL.

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