Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
September 19, 2020
Submitted
October 23, 2020
Operation
Air carrier
Aircraft
N431WN
Make and model
Boeing 7377H4
Aircraft serial
29845
Aircraft time
61,876 hours, 36,311 cycles
Part
Floorbeam
Condition
Cracked
Location
Pax Cabin
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 BS 540 AND BETWEEN LBL 24 TO RBL 24 AT PASSENGER CABIN (2 EA). REPLACED INTERCOSTAL WEB LOCATED ON FLOOR STRUCTURE BS 540 AND BETWEEN LBL 24 TO RBL 24 AT PASSENGER CABIN 2 (E/A), IAW B737-700 SRM 51-40-02 AND DWG 143A0060 REV 'A'.

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