Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
March 11, 2020
Submitted
July 27, 2021
Operation
Air carrier
Aircraft
N920WN
Make and model
Boeing 7377H4
Aircraft serial
32460
Aircraft time
40,949 hours, 24,484 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 540 Bl0-Rbl25
Stage of operation
IN
How discovered
9
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

CABIN FLOOR STRUCTURE PANEL BREAK ASSY STA 540 BETWEEN BL0 AND RBL24.75 IS CRACKED IN RADIUS / REMOVED AND REPLACED CABIN FLOOR STRUCTURE PANEL ASSY STA 540; BL 0 TO RBL 24.75 IAW SRM 51-40-02-0G-0 AND BOEING DWG 143A0060 MSHT 46 REV:-. ATAG WN2164

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