Service difficulty report · Motor · Boeing 7377H4

Difficulty date
December 2, 2023
Submitted
December 4, 2023
Operation
Air carrier
Aircraft
N459WN
Make and model
Boeing 7377H4
Aircraft serial
32497
Aircraft time
63,359 hours, 37,923 cycles
Part
Motor
Part number
UNKNOWN
Condition
Faulty
Location
Zn 200 Fus Top
Stage of operation
CL
How discovered
9
Nature of condition
O
Precautionary procedure
D, O

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

What was found

ON CLIMB OUT; STAB TRIM WOULD NOT TRIM NOSE UP.<[01] REMOVED AND REPLACED M1659 IAW M/M 27-41-71 AND R850 IAW M/M 27-41-98. FOUND CONTACTS 15 AND 13 SHORTED INTERNALLY IN S245. REMOVED AND REPLACED S245 IAW M/M 27-51-63. REMOVED AND REPLACED D46044P AND SWPM 20-61-00. STAB TRIM SYSTEM TEST GOOD IAW M/M 27-41-00.

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