Service difficulty report · Transmission · Boeing 757200

Difficulty date
May 12, 2022
Submitted
May 19, 2022
Operation
Air carrier
Aircraft
N927FD
Make and model
Boeing 757200
Aircraft serial
27220
Aircraft time
71,200 hours, 27,669 cycles
Part
Transmission
Part number
251N402235
Part serial
0173
Condition
Failed
Location
Te Flaps
Part time
71,200 hours, 27,669 cycles
Stage of operation
TX
How discovered
O
Nature of condition
F
Precautionary procedure
K

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

What was found

TE DISAGREE LIGHT ON EICAS DURING TAXI IN WHEN RETRACTING FLAPS DURING AFTER LANDING CHECKLIST. FLAPS NEVER MOVED FROM 25. AFTER ENGINE SHUTDOWN AND ON APU POWER, THE FLAPS RETRACTED NORMALLY. SHGN 12MAY22 23:25 CDG U INTERROGATED ALL FSEU PER FIM 27-51 FAULT TREE 805 FIG 104B ; FSEU 1 LAST FLIGHT LOG : FLAP DISAGREE WITH FAULT MSG : 305 INTERMITTENT, FSEU 2 LAST FLIGHT LOG : FSEU-1 WITH FAULT MSG : 209 INTERMITTENT, FSEU 3 LAST FLIGHT LOG : NO FAULT. , REMOVED AND REPLACED FSEU-1 PER AMM 27-51-01-2-0 , ALL TESTS OK PER SAME AMM REF. DISCREPENCY REMAINS OPEN DUE TO OVERLOAD INDICATORS ON T.E TRANSMISSION TO CHECK.

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