SDR MTNA202312040341

Service difficulty report · Unknown · Aerosp ATR72

Difficulty date: December 3, 2023
Submitted: December 4, 2023
Operation: Air carrier
Aircraft: N803FX
Make and model: Aerosp ATR72
Aircraft serial: 362
Aircraft time: 38,776 hours, 42,642 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.