# SDR AALA20030840

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2003
- Submitted: July 20, 2004
- Operation: Air carrier
- Aircraft: [N459AA](https://openairdocs.org/aircraft/N459AA), 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: 49564
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Water Separator
- Condition: Contaminated
- Location: Cabin Air
- Stage of operation: LD
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20030840

## Discrepancy

ON LANDING, SMOKE IN CABIN AFTER APU START.  AIRCRAFT LANDED WITHOUT INCIDENT.  APU SHUTDOWN AND SMOKE DISSIPATED.  INCIDENT APPEARS TO BE CAUSED BY RESIDUAL HYD FLUID LEFT FROM A PREVIOUS REPAIR. REPLACED COALESCER BAGS ON LT AND RT WATER SEPARATORS.  CLEANED APU INELT DOORS.  SYSTEM GROUND CHECKED NORMAL OPERATION.  (M)

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