Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date
July 23, 2026
Submitted
August 19, 2026
Operation
Air carrier
Aircraft
N424UP
Make and model
Boeing 75724APF
Aircraft serial
25369
Aircraft time
36,393 hours, 24,004 cycles
Part
Floorbeam
Part number
146N51491
Condition
Corroded
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

FLOORBEAM HAS CORROSION AT BS 1200 BETWEEN LBL 45 AND LBL 65. WORK ACCOMPLISHED PER EO: EO-98198-REQ 1 AND EA 757-5360-27-A4578 REV -.

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