# SDR AALA20101208TUL08

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2010
- Submitted: December 14, 2010
- Operation: Air carrier
- Aircraft: [N593AA](https://openairdocs.org/aircraft/N593AA), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53256
- Aircraft time: 61,365 hours, 26,448 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Switch
- Condition: Inoperative
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20101208TUL08

## Discrepancy

LIT - INFLIGHT CLT-DFW.  CREW REPORTED CABIN PRESSURIZATION ISSUES AND BOTH PACKS FAILED INFLIGHT.  EMERGENCY DECLARED FLIGHT DIVERTED LIT LANDED WITHOUT INCIDENT.  REPLACED 450 SWITCH.  SYSETM GROUND CHECK NORMAL OPERATION.

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