Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date
April 6, 2026
Submitted
April 20, 2026
Operation
Air carrier
Aircraft
N454UP
Make and model
Boeing 75724APF
Aircraft serial
25475
Aircraft time
43,406 hours, 22,422 cycles
Part
Floorbeam
Part number
143N52554
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

FWD CARGO CEILING MAIN CABIN FLOOR BEAM UPPER FLANGE LOWER SURFACE EXFOLIATED RH OTBD SIDE STA 879. FABRICATED REPAIR PARTS AS SHOWN IN FIG. 2, -1 ANGLE (2 EACH) -2 FILLER (1 EA) AND -4 FILLER (2 EA) IAW 757-5310-01-B0710 REV P2 STEP 9.

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