# SDR HNAA2023010400014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2022
- Submitted: January 4, 2023
- Operation: Air carrier
- Aircraft: [N657AE](https://openairdocs.org/aircraft/N657AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145744
- Aircraft time: 44,095 hours, 39,417 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Faulted
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2023010400014

## Discrepancy

RAPID CABIN DEPRESSURIZATION AT 12,000 FT. CA REPORT MANUAL PRESS CONT OPS NORMAL.   R & R DIGITAL CONTROLLER OPS CHECK IN AUTO MODE GOOD. IAW AMM 21-31-01. (SHORT SIGN) R&R GROUND CONNECTION VALVE SPRING IAW AMM 21-22-04.

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