# SDR 96ZZZM283

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N311EA](https://openairdocs.org/aircraft/N311EA), registered now
- Make and model: Lkheed 10113851
- Aircraft serial: 193A1012
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Press Ctlr
- Part number: ED7244365
- Condition: Failed
- Location: Cabin
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZM283

## Discrepancy

AIRCRAFT DEPARTED BQN EN ROUTE TO GSO, CREW EXPERIENCED DIFFICULTY WITH CABIN PRESSURIZATION.  C/B 3X14 PULLED AND RESET TO NO AVAIL.  AIRCRAFT RETURNED TO BQN.  LANDING NORMAL.  AFT OUTFLOW VALVE OK IN ALL MODES, FORWARD VALVE INOP IN ALL MODES.  T/S PER 21-50-00.  REMOVED AND REPLACED CABIN PRESSURE CONTROLLER.  OPS CHECKED OK.  AIRCRAFT RETURNED TO SERVICE.  (M)

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