Service difficulty report · Spar Web · Boeing 74747UF

Difficulty date
March 25, 2026
Submitted
March 25, 2026
Operation
Air carrier
Aircraft
N496MC
Make and model
Boeing 74747UF
Aircraft serial
29257
Aircraft time
104,584 hours, 17,583 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

LH WING GEAR W/W CENTER WING REAR SPAR WEB JETTISON PUMP CUTOUT FOUND CORROSION.(<P>LH WING GEAR W/W CENTER WING REAR SPAR WEB JETTISON PUMP CUTOUT WORK ACCOMPLISHED IAW EN 3156-26 REV 0. NO FURTHER DEFECTS NOTED. PN 111U1007-11.</P>)

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