# SDR C2XA03BT115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2003
- Submitted: December 9, 2003
- Operation: Air carrier
- Aircraft: [N15527](https://openairdocs.org/aircraft/N15527), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145413
- Aircraft time: 5,266 hours, 4,784 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 22250N030201
- Part serial: 00518
- Condition: Faulty
- Location: Cabin Pressure
- Part time: 6,845 hours, 5,521 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA03BT115

## Discrepancy

CREW REPORTED, AUTO PRESSURIZATION FAILED DURING DESCENT.  AIRCRAFT WAS RELEASED IAW MEL 21-31-03/1 CONTROL NUMBER 037305.  AIRCRAFT RETURNED TO SERVICE.  MAINTENANCE REMOVED AND REPLACED DIGITAL PRESSURIZATION CONTROLLER IAW EMB135 AMM 21-31-01.  OPS CHECKED GOOD.  REMOVED FROM MEL.  AIRCRAFT RETURNED TO SERVICE.

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