Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
July 24, 2021
Submitted
August 24, 2021
Operation
Air carrier
Aircraft
N224WN
Make and model
Boeing 7377H4
Aircraft serial
32493
Aircraft time
53,348 hours, 31,840 cycles
Part
Support Angle
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 FLOOR STRUCTURE SUPPER ANGLE LOCATED BS540 AND BL0 RBL24 AT PASSENGER CABIN ; 2021-348759 / [01] TOOL USED DIGITAL CALIPER P/N:700-113-10 S/N:0031753 DUE DATE:30-SEP-21; [02] REPLACED FLOOR STRUCTURE SUPPORT ANGLE (BREAK ASSY) LOCATED BS540 AND BL0 TO RBL24 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02 AND DRAWING 143A0060 SHEET 51 REV:-; [03] REPLACED FLOOR STRUCTURE SUPPORT ANGLE (BREAK ASSY) LOCATED BS540 AND BL0 TO RBL24 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02 AND DRAWING 143A0060 SHEET 51 REV:-; P/N USED 143A5240-36. RII

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