# SDR HNAA2021022200055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2021
- Submitted: February 22, 2021
- Operation: Air carrier
- Aircraft: [N691AE](https://openairdocs.org/aircraft/N691AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500860
- Aircraft time: 37,703 hours, 33,765 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Valve
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CR
- 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/HNAA2021022200055

## Discrepancy

PDIS 691 21-31 2381531 20FEB21 PHL CLOSE AT 24K FEET.  CABIN PRESSURIZATION IN AUTO MODE STARTED TO RAPIDLY RISE.  FACT  20FEB21  21:48  PHL R & R GROUND CONNECTION VALVE IAW AMM 21-22-04 NEEDS OPS CHECK.  PERFORMED PRESSURIZATION, OPS CK FOR GROUND CONNECTION VALVE IAW 21-31-00 OPS CK GOOD OK FOR SERVICE AT THIS TIME.

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