# SDR AALA991053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N7520A](https://openairdocs.org/aircraft/N7520A), 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: 49897
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 32185831
- Condition: Defective
- Location: Rt Acm
- Stage of operation: AP
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA991053

## Discrepancy

IAH - FLT 616 - ON APPROACH TO IAH FROM DFW, SMOKE DETECTED IN CABIN.  RIGHT AIR CONDITIONING PACK WAS SHUT DOWN AND PULLED J-7 CIRCUIT BREAKER.  LANDED IAH WITHOUT INCIDENT.  REPLACED RIGHT AIR CONDITIONING PACK TEMPERATURE CONTROL VALVE.  ALSO, REPLACED LEFT AND RIGHT COALESCER BAGS.  PERFORMED AIR CONDITIONING PACK BURN-OUT PER MM.  SYSTEM GROUND CHECKED, NORMAL OPERATION.  (X)

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