Service difficulty report · Sensor · Boeing 7377H4

Difficulty date
December 23, 2022
Submitted
December 26, 2022
Operation
Air carrier
Aircraft
N928WN
Make and model
Boeing 7377H4
Aircraft serial
36890
Aircraft time
47,523 hours, 28,977 cycles
Part
Sensor
Condition
Faulted
Location
Lt Wing Te Flap
Stage of operation
AP
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

TRAILING EDGE FLAP ASYMMETRY OCCURED WHEN CONFIGURING FOR APPROACH. FLAPS STOPPED AT LESS THAN POSITION 1. PERFORMED QRH PROCEDURE FOR TRAILING EDGE ASYMMETRY AND TRAILING EDGE FLAPS UP LANDING. USED MAX AUTOBRAKE SETTING WITH 30 MINBRAKE COOLING PERIOD. BRAKE ENERGY 32.0M FT -LB CALCULATED<[01] PERFORM?D BITE TEST PROCEDURE ON FLAP/SLAT ELECTRONIC UNIT PER AMM27-51-T 801 FOUND FAULT MESSAGE 27-53258.PERFORM?D AMM 27-59-T. 809. R?D & R?D #2 FLAP SKEW SENSOR PER AMM 27-59-01.CW TRAILING EDGE FLAPS TRANSMISSION TORQUE TRIP INDICATOR PER AMM 27-51-T 849.

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