# SDR HNAA2022042500169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2022
- Submitted: April 25, 2022
- Operation: Air carrier
- Aircraft: [N644AE](https://openairdocs.org/aircraft/N644AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145204
- Aircraft time: 49,689 hours, 46,042 cycles
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: None
- Condition: None
- Stage of operation: TO
- 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/HNAA2022042500169

## Discrepancy

PDIS  644     34-11  2574541  22APR22  PHL  CLOSE
      STANDBY ALTITUDE IND IS UNRELIABLE. JUMP FROM 100-400 FT RANDOMLY
FACT  22APR22  13:21  PHL
            R&R STBY ALTIMETER IAW AMM34-13-00 PERFORMED OPS CK IAW AMM 34-11-00. OPS LEAK CK GOOD. OK FOR SERVICE.

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