# SDR AT0000486

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2000
- Submitted: December 19, 2000
- Operation: Air carrier
- Aircraft: [N867AT](https://openairdocs.org/aircraft/N867AT), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47170
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 1025852
- Part serial: 1281044
- Condition: Inoperative
- Location: Cabin Pressure
- Stage of operation: CR
- 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/AT0000486

## Discrepancy

AUTO PRESSURIZATION FAILED IN FLIGHT.  CABIN PRESSURE WAS CONTROLLED IN MANUAL.   STOWED ALL MASK, PERFORMED OPERATIONAL CHECK OF MASK DROP SYSTEM.  REMOVED AND REPLACED CABIN PRESSURE CONTROLLER. IAW DC9 MM 21-32.

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