Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
July 13, 2025
Submitted
August 14, 2025
Operation
Air carrier
Aircraft
N902WN
Make and model
Boeing 7377H4
Aircraft serial
36615
Aircraft time
57,234 hours, 33,409 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 FLOOR SUPPORT AT BS 951, RBL 35, WL 208. EVALUATED CORROSION ON FLOOR SUPPORT AT BS 951 RBL 35 WL 208. BLEND WAS 4'X.6'X.008'. FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN SRM. REMOVED FLOOR SUPPORT AT BS 951 RBL 35 WL 208 IAW SRM 51-40-02. LOCATED AND DRILLED A NEW FLOOR SUPPORT AT BS 951, RBL 35, WL 208 IAW SRM 51-40-05, DWG 147A5760 REV-. INSTALLED NEW FLOOR SUPPORT AT BS 951 RBL 35 WL 208 IAW SRM 51-40-02, DWG 147A5760, REV-.

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