Service difficulty report · Floor Support · Boeing 7377BD

Difficulty date
November 11, 2025
Submitted
December 18, 2025
Operation
Air carrier
Aircraft
N7752B
Make and model
Boeing 7377BD
Aircraft serial
33943
Aircraft time
55,287 hours, 29,078 cycles
Part
Floor Support
Condition
Corroded
Location
Zone 200
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 ON UPPER SURFACE OF FLOOR SUPPORT AT BS 986.5+9.5, LBL 33, WL 208. REMOVED AND REPLACED THE FLOOR SUPPORT, BS 986.5 - 1006, LBL 35, WL 208 IAW SRM 51-40-02, & DWG 147A5600, REV-.

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