Service difficulty report · Structure · Boeing 7377H4

Difficulty date
June 24, 2023
Submitted
July 28, 2023
Operation
Air carrier
Aircraft
N441WN
Make and model
Boeing 7377H4
Aircraft serial
29837
Aircraft time
66,664 hours, 39,529 cycles
Part
Structure
Part number
UNKNOWN
Condition
Delaminated
Location
Zn 400 Nacelle/P
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

R/H ENGINE STRUT TO WING. UNDER WING SKIN AREA OF STRUT; SHOWING COMPOSITE DELAMINATION. SEE DOT HT-5 AND DOT HT-12<[01] REMOVED AND INSTALLED DAMAGE PHENOLIC STRIPS 2 EACH ON TOP SURFACE OF PANEL AS MARKED AS PER B737 AMM. 51-51-00-340-803 AND AMM 51-31-00-390-804 MATERIALS USED PO#2026993;[02] INSP./ VERIFIED WORK WAS ACCOMPLISHED.

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