# SDR TWAA9740001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N907TW](https://openairdocs.org/aircraft/N907TW), 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: 49165
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 21171802
- Condition: Failed
- Location: Cabin
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9740001

## Discrepancy

STL - FLT 23 - DURING CLIMB, AIRCRAFT WOULD NOT PRESSURIZE IN EITHER STANDBY OR PRIMARY MODE.  REMOVED AND REPLACED NR 1 PRESSURE CONTROLLER, MFG PN 2117180-2.  OPERATIONAL CHECK NORMAL.  OP-15 - 3-10-97 - MCI. (X)

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