Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date
February 19, 2026
Submitted
April 10, 2026
Operation
Air carrier
Aircraft
N422UP
Make and model
Boeing 75724APF
Aircraft serial
25324
Aircraft time
36,626 hours, 23,888 cycles
Part
Floorbeam
Part number
146N51681
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 FLOOR AREA STA 1600 LBL 49 FLOORBEAM UNDERNEATH SURFACE HAS CORROSION. REMOVED CORROSION AT MAIN DECK FLOOR AREA STA 1600 LBL 49 FLOOR BEAM UNDERNEATH SURFACE REF SRM 51-10-02-0G-0 REPAIRED PER BOEING 757-200PF SRM 53-00-51-2R-6 REPAIR 6 FIGURE 201, REV 124.

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