Service difficulty report · Threshold Web · Boeing 7377H4

Difficulty date
February 8, 2026
Submitted
March 2, 2026
Operation
Air carrier
Aircraft
N247WN
Make and model
Boeing 7377H4
Aircraft serial
32508
Aircraft time
64,547 hours, 38,979 cycles
Part
Threshold 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

MULTIPLE SPOTS WITH CORROSION ON FCB DOOR CUTOUT SURROUND THRESHOLD BS 440+8 TO BS 440+19, BS 460+10, RBL 27, WL 156. REMOVED AND REPLACED SUB-THRESHOLD WEB RBL 27 BS440 TO BS492 WL156 IAW SRM 51-40-02 AND DWG 143A8330 REV-.

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