Service difficulty report · Shear Web · Boeing 7377H4

Difficulty date
July 11, 2025
Submitted
August 15, 2025
Operation
Air carrier
Aircraft
N902WN
Make and model
Boeing 7377H4
Aircraft serial
36615
Aircraft time
57,234 hours, 33,409 cycles
Part
Shear 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 ON L/H SHEAR WEB AT BS 1026 LBL 22 WL 208<[01] SHEAR WEB FOUND TO BE OUT LIMITS; PART REMOVED AND REPLACED SHEAR WEB AT BS 1016 TO BS 1033 LBL0 TO LBL39 WL 208 PER I.A.W SRM 51-10-02-0G-0 PAR 9.C; SRM 51-40-02-0G-0 AND BOEING DWG 147A5600 REV:B

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