Service difficulty report · Warning Message · Boeing 75728A

Difficulty date
April 9, 2024
Submitted
April 10, 2024
Operation
Air carrier
Aircraft
N972FD
Make and model
Boeing 75728A
Aircraft serial
28203
Aircraft time
63,091 hours, 23,199 cycles
Part
Warning Message
Condition
Illuminated
Location
Te Flaps
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
L

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

What was found

ON APPROACH WHEN SELECTING FLAPS 25 RECEIVED A TE FLAP DISAGREE MESSAGE. DISCONTINUED APPROACH AND COMPLIED WITH THE QRH. MESSAGE CLEARED. LANDED FLAPS 20. PER FIM 27-51 FAULT TREE 805, PERFORMED BITE PROCEDURE ON FSEU 1 & 2, ON FSEU 1 FOUND FLAP DISAGREE FAULT CODE 305, INTERMITTENT (AIR). NO FAULTS FOUND ON FSEU #2. PER FIM 27-51 FAULT TREE 808 FIGURE 105, INSPECTED ALL FLAP TRANSMISSIONS OVERLOAD INDICATORS, FOUND RIGHT WING INBOARD FLAP TRANSMISSION OVERLOAD INDICATOR EXTENDED. DRAINED, SERVICED AND LUBED RIGHT INNER FLAP TRANSMISSION. PER 757 MM 12-21-09-3, RESET OVERLOAD INDICATOR AND CYCLED FLAPS SEVERAL TIMES WITH NO FAULTS NOTED. A/C OK FOR SERVICE.

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