Service difficulty report · Flap System · Boeing 7377H4

Difficulty date
August 21, 2023
Submitted
August 30, 2023
Operation
Air carrier
Aircraft
N497WN
Make and model
Boeing 7377H4
Aircraft serial
32479
Aircraft time
62,562 hours, 37,184 cycles
Part
Flap System
Part number
UNKNOWN
Condition
Locked
Location
Zn 100 Fus Lower
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

FLAPS DID NOT EXTEND WITH FLAP HANDLE USED ALT FLAP EXTENSION<[01] REMOVED RIGHT HAND FLAP TRANSMITTER AND PERFORMED UP TO STEP 3(F) (11) (A) ON TRANSMITTER INSTALLATION. STEP 3(G) NEEDS TO BE ACCOMPLISHED IAW AMM 27-58-01;[02] COMPLETED THE LAST STEPS OF INSTALLATION OF RIGHT HAND FLAP POSITION TRANSMITTER IAW AMM 27-58-01. OPS CHECK IS GOOD.

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