Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
August 14, 2025
Submitted
September 5, 2025
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
70,511 hours, 42,001 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 ANGLE FLOOR STRUCTURE ON BS 694 AT BL 0 AND WL 203.1 AT PASSENGER CABIN. REPLACED ANGLE 1(E/A) AND FASTENERS LOCATED ON FLOOR STRUCTURE ON BS 694 AT BL 0 AND WL 203.1 AT PASSENGER CABIN IAW SRM 51-40-02 AND DWG 273A9110 SHEET 6 REV-A.

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