SDR UALA2010021700611

Service difficulty report · Lap Joint · Boeing 767322

Difficulty date: February 16, 2010
Submitted: February 18, 2010
Operation: Air carrier
Aircraft: N648UA
Make and model: Boeing 767322
Aircraft serial: 25285
Aircraft time: 74,171 hours, 12,040 cycles
Engine: Pwa PW4060
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Lap Joint
Condition: Corroded
Location: Fuselage
Stage of operation: IN
How discovered: 9
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

CABIN BLANKETS SATURATED WITH H2O ROW 24. FOUND AFTER PRESSURIZING. LOW AND HIGH GAIN ANT, ADF ANTENNA AND LAP JOINT. REMOVING INTERIOR TO AGAIN ACCESS TO LAP JOINT AREA AND WET INSULATION. INSPECTED AREA. FOUND NO OBVIOUS DEFECTS. REMOVED OLD SEALANT AND RESEALED. FOUND CORROSION UNDER LT SIDE HIGH GAIN ANTENNA WHEN IT WAS REMOVED. REMOVED CORROSION IAW GNMM. CLEANED AREA AND TREATED IAW GNMM. PRIMED AREA IAW GNMM.