Service difficulty report · Winglet · Boeing 7377H4

Difficulty date
February 14, 2024
Submitted
February 16, 2024
Operation
Air carrier
Aircraft
N222WN
Make and model
Boeing 7377H4
Aircraft serial
34290
Aircraft time
60,231 hours, 36,170 cycles
Part
Winglet
Part number
UNKNOWN
Condition
Delaminated
Location
Zn 600 Right Win
Stage of operation
IN
How discovered
9
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

RT OUTER WINGLET HAS DELAMINATION<[01] UPON FURTHER INSPECTION; FOUND DELAMINATION OUT OF LIMITS PER SRM 57-30-01. LENGTH- 5.5? WIDTH- 5.3?. REFERENCE TABLE 1:M ALLOWABLE DAMAGE FOR FIGURE 101.;[02] UPON FURTHER INSPECTION; FOUND DELAMINATION OUT OF LIMITS PER SRM 57-30-01. LENGTH- 5.5? WIDTH- 5.3?. REFERENCE TABLE 1:M ALLOWABLE DAMAGE FOR FIGURE 101.;[03] C/W EA 24-157-00424

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