Service difficulty report · Trim System · Boeing 7378

Difficulty date
September 3, 2025
Submitted
September 4, 2025
Operation
Air carrier
Aircraft
N301UC
Make and model
Boeing 7378
Aircraft serial
44509
Aircraft time
2,007 hours, 744 cycles
Part
Trim System
Condition
Failed
Location
Zone 300
Stage of operation
AP
How discovered
O
Nature of condition
J, F
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: FIRST WE GOT STAB OUT OF TRIM. AFTER GOING THROUGH THE CHECKLIST AND DISCONNECTING THE AUTOPILOT AND AUTOTHROTTLES, WE HAD NO ELECTRIC TRIM. THAN WE RECEIVED A STAB TRIM FAIL. AIRCRAFT EMERGENCY LANDED SAFELY AT MEX. (OPEN).

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