Service difficulty report · Transmission · Boeing 757204

Difficulty date
July 31, 2025
Submitted
July 31, 2025
Operation
Air carrier
Aircraft
N925FD
Make and model
Boeing 757204
Aircraft serial
27238
Aircraft time
65,816 hours, 28,063 cycles
Part
Transmission
Part number
251N402235
Part serial
0222
Condition
Faulted
Location
Te Flaps
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

TE FLAP DISAGREE CAUTION. COMPLIED WITH QRH. WITH FLAPS SELECTED TO 25, FLAPS WOULD NOT MOVE PAST 20. ALTN FLAPS SELECTOR USED TO SET FLAPS TO 25. EMERGENCY DECLARED. AMM: 27-51-06-4 WORKED IN CONJUNCTION WITH TSI 27-50-2326, REMOVED AND REPLACED #5 FLAP TRANSMISSION IN REF. ABOVE, CYCLED FLAPS SEVERAL TIMES WITH NO FAULTS FOUND, #5 INBOARD TRAILING EDGE FLAP TRANSMISSION, PART INSTALLED WAS REMOVED SERVICEABLE FROM A/C 952.