Service difficulty report · Sensor · Boeing 73776Q

Difficulty date
July 29, 2023
Submitted
July 31, 2023
Operation
Air carrier
Aircraft
N565WN
Make and model
Boeing 73776Q
Aircraft serial
30282
Aircraft time
57,665 hours, 38,099 cycles
Part
Sensor
Part number
UNKNOWN
Condition
Dirty
Location
Zn 200 Fus Top
Stage of operation
TX
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

AT CRUISE NOTICED A SMALL SPLIT ON THE FLAP GAUGE. RIGHT FLAP AT 0 LEFT FLAP AT .2. ON CONFIGURATION FOR LANDING FLAPS 1 SELECTED WITH NO MOVEMENT OF THE FLAPS. LED'S DID NOT MOVE EITHER. SAME WHEN FLAPS 5 WAS SELECTED. QRH WAS RUN WE LANDED WITH FULL LED'S AND 0 TRAILING EDGE FLAPS<[01] PERFORMED FSEU BITE PER FIM 27-51- TASK 801; FAULTING THE #1 SKEW. CLEANED AND RESEATED #1 FLAP SKEW SENSOR PER AMM 27-59-01. CHECKED SKEW SENSOR READINGS IN AHM; ALL WITHIN LIMITS. CYCLED FLAPS SEVERAL TIMES; NO FAULTS NOTE. A/C OK FOR SERVICE.

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