# SDR TWAA0002101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N906TW](https://openairdocs.org/aircraft/N906TW), 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: 49160
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Valve
- Part number: 39271411
- Condition: Failed
- Location: Lt Pack
- 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/TWAA0002101

## Discrepancy

UNABLE TO MAINTAIN CABIN PRESSURE DURING CLIMB.  DESCENDED TO 12000 FT.  REPLACED PRESSURE REGULATOR SHUTOFF VALVE.  AC 05  12/11/99 DFW.

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