Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 2, 2025
Submitted
August 11, 2025
Operation
Air carrier
Aircraft
N228WN
Make and model
Boeing 7377H4
Aircraft serial
32496
Aircraft time
64,528 hours, 38,935 cycles
Part
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

CORROSION AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS727B TO BS767 LBL22 WL156<[01] EVALUATED; REMOVED; LOCATED; DRILLED AND REPLACED AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE BS727 TO BS847 LBL22 WL156 IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG 146A7500 REV: A AND DWG 146A0067 REV: -.;[02] COMPLETE;[03] COMPLETE

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