# SDR TWAA9801403

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N904TW
- 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: 49156
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 21171802
- Condition: Worn
- Location: Lt/Rt
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9801403

## Discrepancy

MCI - FLT 337 - UPON LEVEL OFF AT FL350, CABIN CONTINUED TO CLIMB.  DESCENDED TO FL240.  CABIN ALTITUDE REACHED 13000 FT.  REGAINED CONTROL OF CABIN WITH MANUAL CONTROL OF OUTFLOW VALVE.  REPLACED BOTH CABIN PRESSUE CONTROLLERS AND BROKEN CLAMP ON A DUCT.  (M)

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