Service difficulty report · Shield · Boeing 7377H4

Difficulty date
August 15, 2026
Submitted
September 24, 2026
Operation
Air carrier
Aircraft
N259WN
Make and model
Boeing 7377H4
Aircraft serial
35554
Aircraft time
65,221 hours, 39,507 cycles
Part
Shield
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

CORRODED SHIELD WEB, BS 767 - 794.3, WL156, RBL 22. DRILLED DIAMETER FASTENERS HOLES (10 EA) TO ATTACH FLOOR PANEL TO SHIELD WEB. IAW SRM 51-40-05, & DWG 146A0081, SHT 46, REV -. DIAMETER HOLES IS 0.221 INCH.

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