Service difficulty report · Transmitter · Boeing 7377H4

Difficulty date
April 4, 2025
Submitted
April 7, 2025
Operation
Air carrier
Aircraft
N263WN
Make and model
Boeing 7377H4
Aircraft serial
32520
Aircraft time
56,276 hours, 33,854 cycles
Part
Transmitter
Condition
Malfunctioned
Location
Zone 500
Stage of operation
AP
How discovered
O
Nature of condition
J, F
Precautionary procedure
O

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

What was found

ON APPROACH FLAP WOULD NOT GO BEYOND FLAPS 5 THE LEFT FLAP POSITION TRANSMITTER LAGGED THEN ASYMMETRY BYPASS INITIATED BUT LOOKS LIKE IT MIRROR UP AFTER. I WOULD CHANGE THE LEFT FLAP POSITION TRANSMITTER (T427) AND INDICATOR.<[01] PER FSEU FAULT HISTORY MSG 27-52261 AND AHM DATA; REMOVED AND REPLACED LEFT FLAP POSITION TRANSMITTER IAW AMM 27-58-01. OPS CHECK GOOD. REMOVED AND REPLACED FLAP POSITION INDICATOR IAW AMM 27-58-02. OPS CHECK GOOD.

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