Service difficulty report · Support Plate · Boeing 7377H4

Difficulty date
March 2, 2026
Submitted
March 27, 2026
Operation
Air carrier
Aircraft
N923WN
Make and model
Boeing 7377H4
Aircraft serial
36627
Aircraft time
57,855 hours, 35,265 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 AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS727B TO BS767 LBL22 WL156<[01] REMOVED AND INSTALLED NEW L/H FLOOR TO SIDEWALL SUPPORT BS 727 TO 847 LBL 22 IAW SRM 51-40-02-0G-0 AND DWG 146A7500 REV:-.

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