Service difficulty report · Web · Boeing 7377H4

Difficulty date
June 2, 2025
Submitted
June 17, 2025
Operation
Air carrier
Aircraft
N441WN
Make and model
Boeing 7377H4
Aircraft serial
29837
Aircraft time
72,678 hours, 43,185 cycles
Part
Web
Condition
Corroded
Location
Zone 100
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

CORROSION DOOR CUTOUT UPPER SILL WEB LOCATED BS 460 PLUS 5 INCH AND S-18R WL 195 AT FWD CARGO COMPARTMENT. REPLACED UPPER SILL WEB AND LOC BTW BS 440 TO BS 492.40 AND STR 18R IAW SRM 51-10-02 ITEM 9 AND INSTALLED FASTENERS IAW SRM 51-40-02 AND DRAWING # 143A8110 SHEET 12 REV - .

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