# SDR SIMA200900907

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2009
- Submitted: January 9, 2009
- Operation: Air carrier
- Aircraft: [N654AE](https://openairdocs.org/aircraft/N654AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145437
- Aircraft time: 18,283 hours, 17,360 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200900907

## Discrepancy

ON FLIGHT 3631, CREW REPORTED PRESS LOSS ON DECENT.  COULD NOT MAINTAIN PRESS, EXECUTED EMERGENCY DECENT AND DEPLOYED O2 MASK.  F/A REPORTED SMOKE ODOR DURING DECENT, THEY DIVERTED.  ACFT REMOVED FROM SERVICE.  REMOVED AND REPLACED DIGITAL CONTROLLER IAW AMM 21-31-01 AND CPAM IAW AMM 21-32-01.  REMOVED AND REPLACED O2 MASKS.  OPS CHECK GOOD. ACFT RETURNED TO SERVICE.

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