Service difficulty report · Transmission · Boeing 757200

Difficulty date
February 9, 2023
Submitted
February 10, 2023
Operation
Air carrier
Aircraft
N58101
Make and model
Boeing 757200
Aircraft serial
27291
Aircraft time
108,460 hours, 23,247 cycles
Part
Transmission
Part number
251N42185
Part serial
0101
Condition
Tripped
Location
Lh I/B Flap I/B
Part time
108,459 hours, 23,247 cycles
Stage of operation
TO
How discovered
O
Nature of condition
F
Precautionary procedure
D

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

What was found

TE FLAP DISAGREE BITE SFEU 1,2,3 REF FIM 27-51 TREE 805. SFEU 1,2&3 SHOWED NO EXISTING FAULTS. SFEU1 FAULT HISTORY LEG 0 REPORTED MSG # 305. SFEU2 FAULT HISTORY LEG 0 REPORTED MSG# 327. SFEU3 HAD NO FAULT HISTORY FOR LOG 0. TROUBLESHOT LH SIDE OF FLAP SYSTEM IAW FIM 27-51 FAULT TREE 805/808. FOUND #4 FLAP TRANSMISSION OVERLOAD INDICATOR POPPED.(REF LP 3800246 FOR MX).NO DEFECTS NOTED AT THIS TIME. TROUBLESHOT RH SIDE OF FLAP SYSTEM IAW FIM 27-51 FAULT TREE 805/808. NO DEFECT FOUND

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