Service difficulty report · Transmission · Boeing 75728A

Difficulty date
October 29, 2025
Submitted
October 31, 2025
Operation
Air carrier
Aircraft
N967FD
Make and model
Boeing 75728A
Aircraft serial
26269
Aircraft time
62,243 hours, 23,605 cycles
Part
Transmission
Part number
251N402230
Condition
Failed
Location
Te Flaps
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

TE FLAP DISAGREE ON APPROACH. ALTERNATE FLAP CHKLST DID NOT WORK. DID QRH TE FLAP ASSEMETRY & LANDED LESS THAN 1 DEGREE FLAPS IAW QRH. PERFORMED FSEU BITE & FSEU #2 SHOWED CODE 327. WHICH IS DUE TO ONLY ONE ALT ARMING SWITCH BEING ARMED & FSEU NR 1 SHOWED CODE 305 FOR FLAP DISAGREE. CHKD ALL FLAP XMSIONS FOR ANY OVERLOAD INDS BEING TRIPPED. FOUND LT INBD TE FLAP OVERLOAD IND TRIPPED. RESET INDICATOR & PERFORMED PERSCRIBED LUB & FLUID REFILL. EXTENTED & RETRACTED FLAPS WITH NO EVIDENCE OF BINDING IN THE FLAP, AFT FLAP TRACK ROLLERS OR AFT FLAP, CARRIAGE, OR BALLSCREW & GIMBALL. NO OVERLEAD INDS TRIPPED & NO TE FLAPS DISAGREE EICAS MESSAGE APPEARED. THIS ISSUE HAS NO HISTORY , ACFT OK FOR SERVICE.

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