Service difficulty report · Skin · Boeing 767300

Difficulty date
August 20, 2026
Submitted
August 25, 2026
Operation
Air carrier
Aircraft
N393UP
Make and model
Boeing 767300
Aircraft serial
29228
Aircraft time
92,101 hours, 22,217 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

DISBOND - SKIN , LOWER OF L/H WING T/E OUTBD FLAP T/E SKIN , WBL 366 (REPAIR) CORRECT THE TYPO IN STEP 1 : 1.I.A.W. 767-300 SRM 57-53-01-2R-1 REFER TO SRM 51-70-07-0G-0 REV.132 PERFORM REPAIR AS BELOW STEP: 1.1 REMOVE THE DISBOND MATERIALS AND CLEAN. 1.2 MEASURE THE DAMAGE SIZE AND LOCATION (DIA:1", 33.5" FROM INBD EDGE, 1.25" FROM AFTER EDGE). 1.3 BOND THE REPAIR PLIES WITH FILM ADHESIVE CURED AT 260°F FOR 130 MINUTES WITH A MINIMUM VACUUM OF 22 IN/HG. 2.CONDITION CHECK IS SATISFACTORY. 3.ATTACHMENTS ARE UPLOADED.

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