# SDR CA960321505

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 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): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Press.Controller
- Part number: 21011404
- Condition: Failed
- Location: Nr 1 & Nr 2
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA960321505

## Discrepancy

(CAN)AFTER TRAKEOFF AT FL.290, MASTER CAUTION LIGHT ILLUMINATED INDICATING A PRESSURIZATION PROBLEM. QRH DRILL CARRIED OUT, INITIATED EMERGENCY DESCENT AND MANUALLY DEPLOYED OXYGEN MASKS. ON RETURN MAINTEN ANCE ACTION INVOLVED CHANGING #1 AND #2 PRESSURIZATION CONTROLLERS.

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