# SDR MTNA202312040341

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2023
- Submitted: December 4, 2023
- Operation: Air carrier
- Aircraft: [N803FX](https://openairdocs.org/aircraft/N803FX), registered now
- Make and model: Aerosp ATR72
- Aircraft serial: 362
- Aircraft time: 38,776 hours, 42,642 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA202312040341

## Discrepancy

DURING THE CLIMB TO CRUISE ALTITUDE, AT APPROXIMATELY FL190, THE CREW RECEIVED AN EXCESS CABIN ALTITUDE ALERT.  AFTER PERFORMING THE ASSOCIATED QRH ITEMS, THE CREW NOTIFIED ATC, DESCENDED TO 10,000 FT, AND THE FLIGHT RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT.

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