Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
October 8, 2023
Submitted
November 8, 2023
Operation
Air carrier
Aircraft
N907WN
Make and model
Boeing 7377H4
Aircraft serial
36619
Aircraft time
51,137 hours, 29,886 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

CRACK ANGLE FLOOR STRUCTURE BS540 AND BL0 TO LBL 24.75 CENTER SECTION 2023-637666<[01] REPLACED ANGLE FLOOR STRUCTURE BS540 AND BL0 TO LBL24.75 CENTER SECTION IAW SRM B737-700 51-40-02 AND SRM 51-10-02 ITEM 9;[02] CORRECTIVE ACTION CERTIFIED

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