Service difficulty report · Trim System · Boeing 7377H4

Difficulty date
July 25, 2022
Submitted
July 27, 2022
Operation
Air carrier
Aircraft
N488WN
Make and model
Boeing 7377H4
Aircraft serial
33853
Aircraft time
59,573 hours, 35,238 cycles
Part
Trim System
Condition
Failed
Location
Tail
Stage of operation
TO
How discovered
9
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

SHORTLY AFTER TAKE OFF ELECTRIC STAB TRIM FAILED. RAN STABILIZER TRIM INOPERATIVE CHECKLIST IN QRH; MANUAL TRIM WORKED FINE. / [01] C/W FIM 27-41 TASK 803. STAB TRIM OPS CHK GOOD; NO DEFECTS NOTED. A/C OK FOR SERVICE

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