Service difficulty report · Support · Boeing 7377H4

Difficulty date
October 3, 2025
Submitted
November 3, 2025
Operation
Air carrier
Aircraft
N915WN
Make and model
Boeing 7377H4
Aircraft serial
36888
Aircraft time
57,361 hours, 34,753 cycles
Part
Support
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 SUPPORT ZEE BETWEEN BS 727 - 767, S25R, WL 156. REPLACED THE SUPPORT ZEE AND FASTENERS IAW SRM 51-10-02, ITEM 9, SRM 51-40-02, DWG 146A7500, SHEET 113, REV-, AND DWG 146A7502, SHEET 49, REV-.

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