Service difficulty report · Skin · Boeing 7377H4

Difficulty date
January 10, 2026
Submitted
January 13, 2026
Operation
Air carrier
Aircraft
N945WN
Make and model
Boeing 7377H4
Aircraft serial
36660
Aircraft time
51,091 hours, 31,395 cycles
Part
Skin
Condition
Delaminated
Location
Zone 300
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DORSAL FIN, PN: 174A0103-7; SN: WN0346, FAILED TAP TEST. DAMAGED AREA SHOWS SIGNS OF DELAMINATION & DEBONDING IAW SRM 51-10-06. ESTIMATED AREA OF DELAMINATION & DEBONDING IS 11' X 12'. FAULT RESOLVED ON TTG8Q019TJ6B & EA 26-155-00110.

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