Service difficulty report · Switch · Boeing 7377H4

Difficulty date
September 24, 2021
Submitted
September 28, 2021
Operation
Air carrier
Aircraft
N903WN
Make and model
Boeing 7377H4
Aircraft serial
32457
Aircraft time
45,700 hours, 27,368 cycles
Part
Switch
Condition
Faulted
Location
Te Flaps
Stage of operation
AP
How discovered
O
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

FLAP ASYMMETRY ON APPROACH WHILE SELECTING FLAPS 15 ; / [01] FOUND PSEU FAULTS 32-62009 AND 32-62010. PERFORMED FLAP LANDING WARNING SWITCH FAULT-FAULT ISOLATION IAW FIM 32-61 TASK 815. PER FIM FAULTS INTERMITTENT. FLAP SYSTEM OPERATES NORMAL IAW AMM 27-81-00

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