Service difficulty report · Floorbeam · Boeing 74745EF

Difficulty date
October 7, 2026
Submitted
October 8, 2026
Operation
Air carrier
Aircraft
N486MC
Make and model
Boeing 74745EF
Aircraft serial
30608
Aircraft time
111,088 hours, 19,701 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
E
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

DURING HFEC INSPECTION AT FLOOR BEAM UPPER CHORD LOWER SURFACE STA 660 LHS, FOUND CORROSION & CRACK APPROX 0.15" AS MARKED(<P>WORK ACCOMPLISED IAW EN 3767-26 REV 0. NO FURTHER DEFECTS NOTED.</P>)

More about the Boeing 747-45EF