# SDR CA960910022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Engine: Pwa JT8D7A
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 21011403
- Condition: Inoperative
- Location: Cabin Pressure
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA960910022

## Discrepancy

(CAN) AIRCRAFT RETURNED FROM FLIGHT WITH DOUBLE PRESSURIZATION FAILURE. MAINTENANCE ACTION INVOLVED REPLACING #1 AND OUTFLOW VALVE ACTUATOR (P/N 20219741) AND #1 AND #2 OUTFLOW VALVE MOTOR (P/N 20220141). ALSO #2 PRESSURE CONTROLLER RPLACED. PRESSURIZATION SYSTEM CHECKED SERVICEABLE.

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