# SDR USAABB124

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2008
- Submitted: December 30, 2009
- Operation: Air carrier
- Aircraft: N935UW
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27201
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Fan
- Condition: Failed
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAABB124

## Discrepancy

MCO  FLT 816  EN-ROUTE CUN TO CLT.  CREW RECEIVED NUMEROUS LAVATORY SMOKE DETECTOR WARNINGS, AND AN ODOR OF SMOKE IN BOTH THE COCKPIT AND CABIN.  ALSO RECEIVED AN APU OVERHEAT MESSAGE.  THE FLIGHT DIVERTED TO MCO AND LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE PLACED THE APU ON MEL.  THE APU WAS REPLACED DUE TO AN OIL COOLER FAN CAME APART.

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