# SDR C2XA02IA246

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2002
- Submitted: December 10, 2002
- Operation: Air carrier
- Aircraft: N17524
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145399
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 22250N030201
- Part serial: 00644
- Condition: Inoperative
- Location: Digital Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA02IA246

## Discrepancy

DURING FLIGHT AUTO PRESSURIZATION FAILED.  MANUAL WOULD NOT STOP CABIN CLIMBING TO 14,000 FEET.  MASKS DROPPED.  MAINTENANCE REMOVED AND REPLACED THE DIGITAL PRESSURE CONTROLLER, PERFORMED A OPERATIONAL CHECK, NO DEFECTS NOTED, THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

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