Service difficulty report · Shear Web · Boeing 75724APF

Difficulty date
October 1, 2025
Submitted
October 24, 2025
Operation
Air carrier
Aircraft
N457UP
Make and model
Boeing 75724APF
Aircraft serial
25478
Aircraft time
38,076 hours, 22,607 cycles
Part
Shear Web
Part number
146N535312
Condition
Corroded
Location
Zone 200
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

MAIN CABIN COMPARTMENT STA 1180-1200 RBL 70-75 WEB HAS CORROSION. REMOVED MAIN CABIN COMPARTMENT STA 1180-1200 RBL 70-75 WEB IAW SRM 51-40-02. INSTALLED DOUBLER IAW SRM 51-70-13-0G-0. INSTALLED WEB FROM MAIN CABIN COMPARTMENT BS 1180-1200, RBL 70-75 IAW SRM 51-40-02-0G.

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