Service difficulty report · None · Boeing 73771B

Difficulty date
August 24, 2022
Submitted
September 15, 2022
Operation
Air carrier
Aircraft
N7852A
Make and model
Boeing 73771B
Aircraft serial
29371
Aircraft time
45,535 hours, 28,586 cycles
Part
None
Part number
143A524036
Condition
Cracked
Location
Cabin Floor
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 INTERCOSTAL WEB FLOOR STRUCTURE LOCATED BS 540 BTW RBL 1 TO RBL 24.75 AT PASSENGER CABIN 2022-451988 / [01] REPLACED INTERCOSTAL WEB FLOOR STRUCTURE LOCATED BS 540 BTW RBL 1 TO RBL 24.75 AT PASSENGER CABIN IAW B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 CRACK LENGHT IS: 0.477 INCH TOOL USED: DIGITAL CALIPER P/N: 500-197-30 S/N: A21126170 DUE DATE: 15-OCT-22.;[02] CERTIFIED STEP 1 COMPLETE RII <BR>IAW B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02

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