Service difficulty report · Bolt · Boeing 7374B7

Difficulty date
March 29, 2011
Submitted
April 4, 2011
Operation
Air carrier
Aircraft
N456UW
Make and model
Boeing 7374B7
Aircraft serial
25020
Aircraft time
54,075 hours, 35,836 cycles
Part
Bolt
Part number
BAC30UU4K8
Condition
Failed
Location
Rt Flap Track
Stage of operation
IN
How discovered
V
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

FLT 1017 - AFTER ARRIVAL, IT WAS NOTED THAT A STRUCTURAL FAILURE OF THE RT WING INBOARD FLAP TRACK ARM WAS SUSTAINED. IT WAS DETERMINED AFTER INITIAL INSPECTION THAT THE RIGHT WING INBOARD FOREFLAP, CENTER TRACK ARM FITTING FORWARD BOLT FAILED. REPLACED RIGHT WING INBOARD FLAP ASSEMBLY IAW JOB CARDS 03C40927004, 03C40927012 & 03C40927009.

More about the Boeing 737-4B7