# SDR DLM88962494

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N923DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49705
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Pressure Reg
- Condition: Malfunctioned
- Location: Right
- Stage of operation: LD
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88962494

## Discrepancy

ON FINAL APPROACH, GOT SMOKE AND HOT AIR SMELL IN CABIN.  BOTH ENGINES AND AIRFOIL ANTI ICE WERE ON .  AIR CONDITIONING INDICATIONS WERE NORMAL.  C/A:  PERFORMED AUG VALVE CHECK PER PFHB.  AUG FAILED TEST.  REPLACED.  THERMOSTAT/ANCPTR/PILOT PRESS REGULATORS, NO HELP.  FOUND AUG VALVE  MODEL TG, REPLACED SAME. FOUND LEFT PACK PRESSURE REGULATOR BAD.  REPLACED  BOTH WATER SEPARATOR BAGS, PRECAUTIONARY.

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