# SDR AALA20050126

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2005
- Submitted: February 22, 2005
- Operation: Air carrier
- Aircraft: N957U
- 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: 49702
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Apu
- Part number: AAP0302A
- Condition: Leaking
- Location: Apu Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20050126

## Discrepancy

DFW - AIRCRAFT HAD A HAZEY LOOK THROUGHOUT THE ENTIRE CABIN AND THERE WAS A MUSTY TYPE SMELL.  THE HAZEY LOOK BECAME VERY THICK AND THE SMELL GOT MUCH STRONGER.  FOUND APU LEAKING OIL.  REPLACED THE APU.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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