# SDR MWEA020443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2002
- Submitted: July 9, 2002
- Operation: Air carrier
- Aircraft: N212ME
- 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: 47102
- Aircraft time: 45,261 hours, 34,827 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Out Of Adjust
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MWEA020443

## Discrepancy

AT 31,000 FEET THE AIRCRAFT LOST PRESSURE AND COULD NOT CONTROL IN AUTO OR MANUAL.  MASKS AUTOMATICALLY DEPLOYED.  PERFORMED ADJUSTMENT / TEST CABIN PRESSURE CONTROL REFERENCE 21-32-0-201.  NO DISCREPANCY NOTED.

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