Service difficulty report · Motor · Boeing 7378

Difficulty date
March 1, 2023
Submitted
March 1, 2023
Operation
Air carrier
Aircraft
N37263
Make and model
Boeing 7378
Aircraft serial
31583
Aircraft time
68,474 hours, 23,651 cycles
Part
Motor
Part number
29274190011
Condition
None
Location
Horiz Stab
Stage of operation
UK
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

CREW REPORTS DIFFICULTY REPOSITIONONG HORZ STAB. ACTUATOR. THE HORIZONTAL STABILIZER DOES NOT OPERATE ELECTRICALLY. WHEN ATTEMPTING TO MOVE STAB MANUALLY STAB CONTROL WHEEL IS DIFFICULT TO MOVE AND A RATCHING SOUND CAN BE FELT IN THE CONTROL WHEEL AND HEARD IN THE STABILIZER JACKSCREW COMPARTMENT BY THE THS ADD EMP:U138028 REF FIM 27-41 TASK 805 STAB TRIM DOES NOT MOVE FREELY.FOUND STAB TRIM MOTOR JAMED.REMOVED AND REPLACED STAB TRIM MOTOR REF AMM TASK 27-41-71-401.OPS CHK GOOD. PARTS USED: 29-2741-9-0011,QTY :1 1817647,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1817647 SN OFF 2408 MOTOR, STAB, HO OFF 29-2741-9-0011 2408 ON 29-2741-9-0011 5059

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