# SDR HNAA2022042500172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2022
- Submitted: April 25, 2022
- Operation: Air carrier
- Aircraft: [N635AE](https://openairdocs.org/aircraft/N635AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145158
- Aircraft time: 48,470 hours, 45,793 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: None
- Condition: None
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2022042500172

## Discrepancy

PDIS  635     21-31  2592341  24APR22  PHL  CLOSE
      CLIMBING THROUGH FL 250 CABIN ALTITUDE SLOWLY INCREASED UP TO 10000 (RED INDICATION) IN AUTO MODE
FACT  24APR22  17:10  PHL
            REMOVED AND REPLACED CABIN PRESSURE AQUISITION MODULE IAW EMB AMM 21-32-01, OPERATIONAL CHECK / LEAK TEST GOOD OK FOR SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
