Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
December 19, 2022
Submitted
January 23, 2023
Operation
Air carrier
Aircraft
N273WN
Make and model
Boeing 7377H4
Aircraft serial
32528
Aircraft time
52,695 hours, 31,622 cycles
Part
Stiffener
Condition
Cracked
Location
Bs 540 Floorbeam
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 LOCATED AT BS 540 BETWEEN BL0 AND LBL24.7 WL 208.1 CENTER SECTION 2022-700741<[01] REPLACED STIFFENER ON FLOOR STRUCTURE LOCATED AT BS 540 BETWEEN BL0 AND LBL24.7 WL 208.1 CENTER SECTION IAW B737-700 SRM 51-10-02 ITEM 9 AND DRAWING 143A0060; REV- SEE INDIVIDUAL SIGN-OFF BELOW;[02] TASK COMPLETED; RII <BR><BR>SEE INDIVIDUAL SIGN OFFS BELOW

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