Service difficulty report · Support Plate · Boeing 7377H4

Difficulty date
August 13, 2025
Submitted
September 11, 2025
Operation
Air carrier
Aircraft
N224WN
Make and model
Boeing 7377H4
Aircraft serial
32493
Aircraft time
64,161 hours, 38,577 cycles
Part
Support Plate
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 FWD CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS500A+1' TO BS500C+10' LBL22 WL156. EVALUATED; LOCATED AND DRILLED; REMOVED AND REPLACED FWD CARGO BAY L/H NEW SECTION FLOOR SIDEWALL SUPPORT PLATE BS480+10 TO BS500D LBL22 WL156 IAW SRM 51-40-05-0G-0; SRM 51-40-02-0G-0 AND DWG 143A7500 REV: -. THE DAMAGE WAS REPAIRED PER SRM 53-00-53-2R-5 (REPAIR 5) AND EA M-22-153-01550.

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