Service difficulty report · Transmission · Boeing 757324

Difficulty date
November 20, 2023
Submitted
November 22, 2023
Operation
Air carrier
Aircraft
N57857
Make and model
Boeing 757324
Aircraft serial
32816
Aircraft time
57,592 hours, 18,447 cycles
Part
Transmission
Part number
UNKNOWN
Part serial
NA
Condition
Tripped
Location
Flap #7
Stage of operation
DE
How discovered
O
Nature of condition
F, O
Precautionary procedure
B

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

What was found

TE FLAP DISAGREE PERFORMED FSEU 1 AND 2 BITE TEST IN REFERENCE TO B757 FIM 27-51 FAULT TREE 805 BITE TEST SHOWED NO EXISTING FAULTS. HAD FAULT 30 5 DISPLAYED IN PREVIOUS LEGS HISTORY FOLLOWED B757 FIM 27-51 FAULT TREE 808 FOUND DPI TRIPPED ON NUMBER SEVEN FLAP TRANSMISSION. ADD EMP:U031272 DPI HAS NO PRIOR HISTORY OF RESETS RESET DPI RAN FLAPS AGAIN NO DPI TRIP OIL LEVEL GOOD IN SIGHT GLASS NO UNUSUAL NOSES NOTED. OPS CHECKED GOOD. NO FAULTS NO MESSAGES.