# SDR CA000621039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2000
- Submitted: January 22, 2001
- Operation: General aviation
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft time: 74,456 hours
- Engine: Pwa JT8D7
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 20219741
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA000621039

## Discrepancy

(CAN) TRANSFER LOCKOUT/STANDBY ON LIGHT ON, QUICK REFERENCE HANDBOOK PROCEDURE CARRIED OUT AND SYSTEM CAUSED SURGE AND LARGE CABIN RATE CHANGE, USING STANDBY LEVER HUNGTING +/- 2 INCHES. CHANGED NR 2 CABIN PRESSURE CONTROLLER AND OUTFLOW VALVE ACTUATOR.

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