Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date
July 22, 2026
Submitted
September 11, 2026
Operation
Air carrier
Aircraft
N455UP
Make and model
Boeing 75724APF
Aircraft serial
25476
Aircraft time
46,102 hours, 22,631 cycles
Part
Floorbeam
Part number
146N50311
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

MAJOR REPAIR, MAIN DECK CARGO BAY FLOORBEAM LOWER FLANGE HAS MULTIPLE NUT PLATE CORRODED APPROX AT BS 1480, BL 0 THRU RBL 62, ACCOMPLISHED THE PERMANENT REPAIR PER EO-98517-REQ1 AND STE-SAA EA 757-5360-01-B0797, REV. I/R

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