Service difficulty report · Floorbeam · Boeing 7474R7F

Difficulty date
July 19, 2024
Submitted
August 22, 2024
Operation
Air carrier
Aircraft
N583UP
Make and model
Boeing 7474R7F
Aircraft serial
25867
Aircraft time
133,219 hours, 22,510 cycles
Part
Floorbeam
Part number
65B3804411
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
9
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

CORROSION - CHORD, MAIN DECK FLOOR BEAM UPPER CHORD, STA 880 LBL 78 (REPAIR). I.A.W AMM 20-51-01-912-008 REV 111 INSTALLED FITTING AT STA 840 TO STA 920 LBL 75. REFERENCE UPS EO-90994-REQ1 REV.1 FOR MAIN DECK CARGO FLOOR PANEL INSTALLATION.

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