Service difficulty report · Skin · Boeing 767346

Difficulty date
June 6, 2026
Submitted
June 16, 2026
Operation
Air carrier
Aircraft
N397UP
Make and model
Boeing 767346
Aircraft serial
40363
Aircraft time
30,466 hours, 10,344 cycles
Part
Skin
Condition
Debonded
Location
Zone 500 Flap
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

DEBONDED SKIN , FORWARD FACE OF LT WING T/E OUTBD FLAP L/E SKIN , WBL 420. REMOVE THE DISBOND MATERIALS AND CLEAN. MEASURE THE DAMAGE SIZE AND LOCATION ( DIA : 1", 5.4" FROM LOWER EDGE, 67" FROM INBD EDGE ). BONDED THE REPAIR PLIES WITH RESIN CURED AT 150°F FOR 180 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG.