Service difficulty report · Beam · Boeing 7474B5F

Difficulty date
August 8, 2025
Submitted
August 8, 2025
Operation
Air carrier
Aircraft
N446MC
Make and model
Boeing 7474B5F
Aircraft serial
33517
Aircraft time
88,448 hours, 15,129 cycles
Part
Beam
Condition
Cracked
Location
Zone 100
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

ONE CRACK WAS FOUND ON LT NOSE WHEEL WELL SIDE PANEL BEAM, BS 260-280 WL 180. BEAM REPLACED IAW SRM 51-10-02 & NEW BEAM HOLE'S TRANSFERRED IAW SRM 51-40-05 & NEW BEAM INSTALLED IAW SRM 51-40-02. NO FURTHER DEFECTS NOTED.

More about the Boeing 747-4B5F