# SDR AALA20091113DFW04

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2009
- Submitted: December 14, 2009
- Operation: Air carrier
- Aircraft: [N462AA](https://openairdocs.org/aircraft/N462AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49592
- Aircraft time: 60,985 hours, 32,058 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Failed
- 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/AALA20091113DFW04

## Discrepancy

CABIN ALTITUDE AURAL WARNING AT FL280, CABIN ALTITUDE REACHED 9500 FEET, CABIN DEPRESSURIZED.  LANDED DFW WITHOUT INCIDENT.  REPLACED NUMBER ONE AND TWO CABIN PRESSURE CONTROLLER.

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