# SDR AALA20141124002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2014
- Submitted: November 24, 2014
- Operation: Air carrier
- Aircraft: [N585AA](https://openairdocs.org/aircraft/N585AA), 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: 53248
- Aircraft time: 66,071 hours, 34,587 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20141124002

## Discrepancy

EMERGENCY DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT.  DURING CRUISE CABIN ALTITUDE WARNING ALERTED.  RT PACK BECAME UNCONTROLLABLE, OPERATED PRESSURIZATION SYS IAW AMM 21-32-00.  SYS CHECKED NORMAL.

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