# SDR HNAA2022122000316

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2022
- Submitted: December 20, 2022
- Operation: Air carrier
- Aircraft: [N699AE](https://openairdocs.org/aircraft/N699AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500883
- Aircraft time: 40,096 hours, 36,539 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Fault Message
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2022122000316

## Discrepancy

PDIS  699     21-31  2796581  14DEC22  CLT  CLOSE
      PRESSURIZATION AUTO FAILED ON EICAS. ACCOM. OPER. PROC. APP 1 21-12.  PRESS THE DUMP BUTTON

FACT  14DEC22  01:57  ROA
            T/S PER FIM TASK 21-31-00-810-801-A. FOUND DIGITAL CONTROLLER TO BE BAD. R/R'D DIG CONTROLLER IAW MM 21-31-01-000-801-A/400. OPS CK GOOD PER MM 21-31-00-700-801-A AND 802A, CLEAR MEL.

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