SDR 4DPA2023032100001

Service difficulty report · Unknown · Emb EMB135LR

Difficulty date: March 21, 2023
Submitted: March 23, 2023
Operation: Air carrier
Aircraft: N261JX
Make and model: Emb EMB135LR
Aircraft serial: 145512
Aircraft time: 32,647 hours, 35,176 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Unknown
Condition: Unknown
Location: Unknown
Stage of operation: CL
How discovered: V
Nature of condition: J
Precautionary procedure: A

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

What was found

ISSUE- CREW REPORTED PRESSURIZATION AUTOMATIC FAILURE DURING CLIMB OUT IN MOUNTAINOUS TERRAIN, AT NIGHT, AND WEATHER. REGAINED CONTROL OF PRESSURIZATION SYSTEM IN THE MANUAL MODE. DECLARED AN EMERGENCY, RETURNED TO KBJC, AND LANDED SAFELY. CORR ACTION MX CND WHILE PERFORMING AUTO & MANUAL PRESSURIZATION SYSTEM CHECKS ALL OPS TESTS GOOD.

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