Service difficulty report · Fuel Tank · Boeing 7474B5F

Difficulty date
July 12, 2025
Submitted
July 14, 2025
Operation
Air carrier
Aircraft
N445MC
Make and model
Boeing 7474B5F
Aircraft serial
33515
Aircraft time
91,656 hours, 15,322 cycles
Part
Fuel Tank
Condition
Corroded
Location
Zone 100
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

LWLG W/W CENTER TANK AFT B/H FUEL BONDING ATTACH AREA SURFACE CORROSION.(<P><SPAN>LWLG W/W CENTER TANK AFT B/H FUEL BONDING AREA </SPAN>CORROSION REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01. WITHIN ALLOWABLE DAMAGE LIMITS IAW SRM 57-10-10 AD.2 FIG 101. NO FURTHER DEFECTS NOTED/</P>)

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