Service difficulty report · Module · Boeing 767300

Difficulty date
February 1, 2023
Submitted
February 3, 2023
Operation
Air carrier
Aircraft
N685UA
Make and model
Boeing 767300
Aircraft serial
33467
Aircraft time
66,922 hours, 12,046 cycles
Part
Module
Part number
285T009917
Part serial
2812
Condition
Not Entered
Location
Flaps
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

SELECTED FLAPS ONE. GOT TRAILING EDGE DISAGREE. QRH RUN. UNEVENT FUL LANDING. REPLACED FLAP STAB MODULE.PARTS USED:76-2754-9-0001,QTY :1ROTABLE PARTS CHANGE WAS INDICATED - TT # 1147533 SN OFF 2812 FIM TASK 27-51 FAULT TREE 810 ACTIONED, FSEU BITE TEST SHOWED L FSPM INACTIVE FAULT ON LAST LEG. FSPM BITE TEST CARRIED OUT IAW FIM TASK 27-58 FAULT TREE 804, L FSPM TESTED OKAY BUT REPLACED AS PRECAUTION IAW AMM 27-58-01. MCDP TEST 64 CARRIED OUT AND TEST OKAY. FLAPS CYCLED UP AND DOWN BOTH HYDRAULICALLY AND ELECTRICALLY. UNABLE TO REPLICATE FAULT.

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