Service difficulty report · Circuit Breaker · Boeing 7378

Difficulty date
October 13, 2023
Submitted
October 16, 2023
Operation
Air carrier
Aircraft
N17303
Make and model
Boeing 7378
Aircraft serial
67561
Aircraft time
1,219 hours, 462 cycles
Part
Circuit Breaker
Part number
UNKNOWN
Condition
Tripped
Location
Stab Trim Actuat
Stage of operation
AP
How discovered
O
Nature of condition
F, J
Precautionary procedure
B

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

What was found

STAB OUT OF TRIMLIGHT ELECTRIC TRIM INOP UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. MAC RELATED WORK ORDER 000000003088021 AND PRTR FOUND STAB TRIM ACTUATOR C/B OUT (P6-2,D10) PERFORMED STAB TRIM MOTOR OPS CHK IN REF WITH AMM 27-41-71-700-801. ELEC STAB TRIM O PS NML. PERFORMED FIM 22-11 T-D72 STAB OUT OF TRIM LIGHT ON - DF CS FAULT CHANNEL ''B'' 22-11177 - IN REF WITH FIM 22-11 TASK 934 P ERFORMED DFCS LIBRARY TEST 32 SPD/STB TRIM ALL TESTS PASSED. NO PREVIOUS HISTORY OF BREAKER TRIPPING. SUSPECTED INADVERTENTLY TRIPPED BY SEAT BELT HARNESS CREEKS,

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