Service difficulty report · Floorbeam · Boeing 74746NF

Difficulty date
April 15, 2025
Submitted
April 16, 2025
Operation
Air carrier
Aircraft
N453PA
Make and model
Boeing 74746NF
Aircraft serial
30811
Aircraft time
94,737 hours, 16,428 cycles
Part
Floorbeam
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

CORROSION - FOUND M/D FLOOR BEAMS TOP SURFACE CORROSION STA 1500 BETWEEN LBL 55 TO LBL 75.92.(<P>1. REMOVE AFFECTED FASTENERS TO GET ACCESS IAW SRM 51-40-02-0G-0 REV 103. 2. REPAIR DAMAGE AREA IAW SRM 53-00-51-2R-3 REV 103, W/S NO: 50169 AND EI NO: T2025A53M-489 REV 2. 3. INSTALL FASTENERS IAW SRM 51-40-02-0G-0 REV 103 AND DWG NO: 65B38075 SH 11 REV -. 4. CONDITION CHECK NORMAL AND JOB COMPLETED.</P>)

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