Service difficulty report · Spar Web · 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
System (JASC)
5711 · Wing Spar
Part
Spar Web
Condition
Corroded
Location
Zone 500
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

FOUND CORROSION ON LH WING GEAR W/W CENTER WING REAR SPAR WEB JETTISON PUMP CUTOUT UNDER BONDING STRIP.(<P>REPAIR ACCOMPLISHED IAW EN 3635-26 REV 0. NO FURTHER DEFECTS NOTED.</P>)

More about the Boeing 747-45EF