Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
July 6, 2021
Submitted
August 4, 2021
Operation
Air carrier
Aircraft
N752SW
Make and model
Boeing 7377H4
Aircraft serial
29804
Aircraft time
74,046 hours, 43,386 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 540 Bl0-Rbl24
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 STIFFENER FLOOR STRUCTURE BS 540 AND BL0 TO RBL 24.5 CENTER SECTION ; 2021-319751 / [01] TOOL USED P/N: 500-197-20 S/N: 12141486 DUE DATE: 31-JAN-21; [02] REPLACED STIFFENER FLOOR STRUCTURE BS 540 AND BL0 TO RBL 24.5 CENTER SECTION I.A.W B737-700 SRM 51-10-02 PARAGRAPH 9; B737-700 SRM 51-40-02-0G-0 AND DWG:143A0060 REV B; [03] REPLACED STIFFENER FLOOR STRUCTURE BS 540 AND BL0 TO RBL 24.5 CENTER SECTION I.A.W B737-700 SRM 51-10-02 PARAGRAPH 9; B737-700 SRM 51-40-02-0G-0 AND DWG:143A0060 REV B<BR>RII

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