# SDR HNAA2023022700053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2023
- Submitted: February 27, 2023
- Operation: Air carrier
- Aircraft: [N625AE](https://openairdocs.org/aircraft/N625AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145115
- Aircraft time: 50,115 hours, 47,705 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: None
- Condition: None
- Stage of operation: CL
- How discovered: V
- Nature of condition: P
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2023022700053

## Discrepancy

UPON TAKEOFF, CAB ALT AND RATE INDICATIONS SHOWED 0 FROM 2000 TO 8000 FT IN AUTO MODE.
 FACT  24FEB23  21:52  CLT CYCLED CPAM C/B, PERFORMED PRESSURIZATION CONTROL SYSTEM FUNCTIONAL TEST IN AUTO MODE IAW AMM 21-31-00-700-802-A. SYSTEM OPS NORMAL, OK FOR SERVICE

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