Service difficulty report · Flap System · Boeing 7377H4

Difficulty date
March 29, 2026
Submitted
April 2, 2026
Operation
Air carrier
Aircraft
N483WN
Make and model
Boeing 7377H4
Aircraft serial
32472
Aircraft time
70,975 hours, 42,499 cycles
Part
Flap System
Condition
Faulted
Location
Zone 100
Stage of operation
AP
How discovered
O
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

WITH FLAP SELECTED TO 30 FLAPS LOCKED OUT BETWEEN 25-30 WITH A SLIGHT ASYMMETRY. ASYMMETRY WENT AWAY WHEN FLAPS SELECTED 15. AFTER LANDING FLAPS INDICATED 30 AND RETRACTED NORMALLY. PERFORMED FSEU BITE CHECK. FOUND FAULT CODE 27-53280. PERFORMED FIM 27-51 TASK 823 FOUND FAULT INTERMITTTENT. FAULT CLEARED. A/C OK FOR SERVICE.

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