# SDR HNAA2025111700739

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2025
- Submitted: November 17, 2025
- Operation: Air carrier
- Aircraft: [N905JH](https://openairdocs.org/aircraft/N905JH), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500892
- Aircraft time: 45,528 hours, 42,164 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: Faulted
- Location: Zone 100
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2025111700739

## Discrepancy

CABIN ALTITUDE WAS AT 300 CABIN RATE DIDNT INCREASE IN CLIMB IN AUTO MODE.  PERFORMED FUNCTIONAL TEST OF PRESSURE CONTROL SYSTEM IN AUTOMATIC MODE PER AMM 21-31-00. CHECKED GOOD, NO DEFECTS NOTED AT THIS TIME. CLEAR MEL 21-12-3.     PRESS CONTROL AUTO AND MANUAL

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