Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
March 13, 2025
Submitted
April 7, 2025
Operation
Air carrier
Aircraft
N939WN
Make and model
Boeing 7377H4
Aircraft serial
36646
Aircraft time
51,518 hours, 31,311 cycles
Part
Floorbeam
Condition
Cracked
Location
Zone 200
Stage of operation
IN
How discovered
V
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 BRAKE PANEL FLOOR STRUCTURE BS 540 BETWEEN LBL 24.75 TO LBL 45.5 AT PASSENGER CABIN 2025-203646<[01] REPLACED BRAKE PANEL FLOOR STRUCTURE BS 540 BETWEEN LBL 24.75 TO LBL 45.5 AT PASSENGER CABIN B737-700 SRM 51-10-02 PARAGRAPH 9 AND SRM 51-40-02 AND DWG 143A0060 SHEET 46 REV -;[02] CORRECTED ITEM 1<BR>REPLACED BRAKE PANEL FLOOR STRUCTURE BS 540 BETWEEN LBL 24.75 TO LBL 45.5 AT PASSENGER CABIN B737-700 SRM 51-10-02 PARAGRAPH 9 AND SRM 51-40-02 AND DWG 143A0060 SHEET 46 REV - SEE INDIVIDUAL SIGN OFF BELOW;[03] REPLACED BRAKE PANEL FLOOR STRUCTURE BS 540 BETWEEN LBL 24.75 TO LBL 45.5 AT PASSENGER CABIN B737-700 SRM 51-10-02 PARAGRAPH 9 AND SRM 51-40-02 AND DWG 143A0060 SHEET 46 REV - SEE INDIVIDUAL SIGN OFF BELOW

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