Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
May 24, 2025
Submitted
June 20, 2025
Operation
Air carrier
Aircraft
N298WN
Make and model
Boeing 7377H4
Aircraft serial
32543
Aircraft time
57,587 hours, 34,397 cycles
Part
Sidewall 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

MULTIPLE SPOTS OF CORROSION ON FCB LH SIDE FLOOR TO SIDEWALL SUPPORT NUTPLATES BS460 TO BS500D; RBL22;WL156. MULTIPLE SPOTS OF CORROSION ON FCB LH SIDE FLOOR TO SIDEWALL SUPPORT NUTPLATES BS460 TO BS500D LBL22WL156. REMOVED AND REPLACED SIDEWALL SUPPORT BS396 TO BS500D LBL22 WL156 IAW SRM 51-40-02-0G-0 AND DWG 143A7500 REV: -.

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