Service difficulty report · Skin · Boeing 7377H4

Difficulty date
August 22, 2026
Submitted
September 22, 2026
Operation
Air carrier
Aircraft
N266WN
Make and model
Boeing 7377H4
Aircraft serial
32523
Aircraft time
63,902 hours, 38,521 cycles
Part
Skin
Condition
Cracked
Location
Zone 500 Winglet
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

CRACKED LOWER SKIN OF THE LEFT WINGLET. REPLACED THE LT WINGLET AND INSTALLATION WILL BE ACCOSPLISHED ON TTG8Q00F9LK2.

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