Service difficulty report · Transmission · Boeing 757324

Difficulty date
January 14, 2025
Submitted
January 16, 2025
Operation
Air carrier
Aircraft
N56859
Make and model
Boeing 757324
Aircraft serial
32818
Aircraft time
59,271 hours, 18,774 cycles
Part
Transmission
Condition
Tripped
Location
Te Flaps
Stage of operation
LD
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 THE APP CREW REPORTED THAT FLAP WAS SELECTED TO 25 BUT STAYED AT 21-22. THEY FOLLOW THE QRH AND LANDED. MSG DISAPPEARED ON LANDING. PERFORMED FIM 27-51 FAULT TREE 808. BITE CHECK OF FSEU SHOWS TE FLAPS DISAGREE AS THE ONLY MESSAGE. FOUND FLAP TRANSMISSIONS #1 & #8 TRIPPED. NO RECENT HISTORY. PER BLOCK 53 RESET BOTH TRANSMISSIONS AND PERFORMED OPERATIONAL CHECK OF FLAPS PER AMM 27-51-00. VERIFIED NO TRANSMISSIONS HAVE TRIPPED.