Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date
January 12, 2020
Submitted
January 28, 2020
Operation
Air carrier
Aircraft
N7743B
Make and model
Boeing 7377BD
Aircraft serial
36718
Aircraft time
39,179 hours, 19,796 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 540
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 FLOOR STRUCTURE CHANNEL AT BS 540 BETWEEN BL 0 TO RBL 24.5 AT PASSENGER CABIN (1 EA). / REPLACED CHANNEL (BREAK ASSY) AT BS 540 BETWEEN BL0 TO RBL 24.5 FLOOR STRUCTURE PASSENGER CABIN IAW B737-700 SRM 51-10-02 ITEM 9.

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