Service difficulty report · Spar · Boeing 777222

Difficulty date
April 10, 2012
Submitted
April 13, 2012
Operation
Air carrier
Aircraft
N787UA
Make and model
Boeing 777222
Aircraft serial
26939
Aircraft time
65,797 hours, 9,613 cycles
Engine
Pwa PW40903
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Corroded
Location
Rt Wing
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

RT WING REAR SPAR WEB BETWEEN IRSS 340 AND IRSS 350, CORROSION AROUND THE FUEL TANK BOOST PUMP FASTENERS. BLEND OUT REPAIR ACCOMPLISHED IAW ECRA 5720-02274. CATEGORY A MAJOR REPAIR.