# SDR 97ZZZM199

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N806MA
- Make and model: Boeing 727225
- Aircraft serial: 22437
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 7110033
- Condition: Inoperative
- Location: Cabin
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZM199

## Discrepancy

FLL - FLT 676 - AT FL 330, AIRCRAFT OVERPRESSURIZING.  UNABLE TO CONTROL IN ANY MODE.  REMOVE AND REPLACE OUTFLOW VALVE.  (M)

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