Service difficulty report · Flap · Boeing 737401

Difficulty date
August 21, 2011
Submitted
September 2, 2011
Operation
Air carrier
Aircraft
N425US
Make and model
Boeing 737401
Aircraft serial
23992
Aircraft time
60,222 hours, 40,296 cycles
Part
Flap
Part number
654643739A
Part serial
BN499
Condition
Delaminated
Location
Lt Wing
Part time
31,094 hours, 21,017 cycles
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

Q5 CHECK - DELAMINATION ON LEFT OUTBOARD MID FLAP AT LOWER TRAILING EDGE 18 INCHES FROM EDGE OF AFT FLAP & 13 INCHES FROM LEADING EDGE. REPLACED LEFT OUTBOARD MID FLAP IAW JOB CARD 03C30727030.