# SDR HNAA2018072600172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2018
- Submitted: July 26, 2018
- Operation: Air carrier
- Aircraft: [N621AE](https://openairdocs.org/aircraft/N621AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145105
- Aircraft time: 42,655 hours, 39,400 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2018072600172

## Discrepancy

CABIN ALTITUDE ALERT MSG AT 14,000. REACTIVATED PRESSURIZATION SYS OUTFLOW VALVES IAW MM 21-31-03-440-801-A AND 21-31-04-440-801-A. OPS CHECKED PRESSURIZATION WITH BOTH PACKS IAW MM 21-31-00-700-801-A, NO DEFFECTS NOTED.

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