# SDR SCNA98008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N282SC](https://openairdocs.org/aircraft/N282SC), registered now
- Make and model: Boeing 727225
- Aircraft serial: 22558
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Exhaust Valve
- Condition: Inoperative
- Location: E/E Compt
- Stage of operation: TO
- Nature of condition: L
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA98008

## Discrepancy

UNABLE TO PRESSURIZE AIRCRAFT ON CLIMB-OUT.  RETURNED TO LAS AND FOUND E/E EXHAUST VALVE NOT CLOSING AT 3PSI.  REMOVED AND REPLACED EXHAUST VALVE IN ACCORDANCE WITH BOEING 727 MM 21-58-00 AND FUNCTIONALLY TESTED GOOD.

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