# SDR AALA20021146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2002
- Submitted: September 9, 2002
- Operation: Air carrier
- Aircraft: [N486AA](https://openairdocs.org/aircraft/N486AA), 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: 49679
- Engine: Pwa JT8D
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 39271012
- Condition: Defective
- Location: Acm Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20021146

## Discrepancy

IMMEDIATELY AFTER TAKE OFF THE CABIN FILLED WITH NOTICEABLE AMOUNT OF SMOKE.  DISSIPATED AFTER 3-5 MINUTES.  RETURNED AND LANDED WITHOUT INCIDENT.  REPLACED LIGHT AND RIGHT AIR CONDITIONING PRESSURE REGULATOR VALVES.  BOTH COALESCERS BAGS, AND LEAKING APU MAGNETIC DRAIN PLUG.  ACCOMPLISHED PACK BURNOUT.  NO SMOKE OR ODOR NOTED.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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