# SDR AALA20030826

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2003
- Submitted: December 12, 2003
- Operation: Air carrier
- Aircraft: [N445AA](https://openairdocs.org/aircraft/N445AA), 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: 49471
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 5940405503
- Condition: Odor
- Location: Aft
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20030826

## Discrepancy

JUST AFTER TAKEOFF STRONG ODOR IN COCKPIT AND THEN CALLS FROM CABIN INDICATED ODOR AND SMOKE DEVELOPING.  AIRCRAFT RETURNED AND LANDED WITHOUT INCIDENT.  DISCOVERED APU HYDRAULIC FLUID INGESTION.  REMOVED AND REPLACED APU.  REPLACED WATER SEPARATOR SOCKS.  SYSTEM GROUND CHECKED NORMAL OPERATION.  (M)

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