Service difficulty report · Floor Support · Boeing 737924ER

Difficulty date
February 24, 2026
Submitted
February 26, 2026
Operation
Air carrier
Aircraft
N57439
Make and model
Boeing 737924ER
Aircraft serial
33534
Aircraft time
52,618 hours, 18,767 cycles
Part
Floor Support
Part number
143A5410170
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

MAIN CABIN BS 328-400 BL-0 FLOOR SUPPORT CRACKED. REMOVED AND REPLACED CRACKED FLOOR SUPPORT IAW DWG 143A5300, REV - AND SRM 51-40-02.