Service difficulty report · Skin · Boeing 747422

Difficulty date
January 16, 2006
Submitted
January 24, 2006
Operation
Air carrier
Aircraft
N196UA
Make and model
Boeing 747422
Aircraft serial
28715
Aircraft time
34,315 hours, 4,330 cycles
Engine
Pwa PW4056
Part
Skin
Condition
Corroded
Location
Bs 2090 Str 35r
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

STA 2090 STR 35R-36R EXTERNAL FUSELAGE SKIN CORRODED AT WASTE TANK EXHAUST NOZZLE AREA. DAMAGED/CORRODED SKIN CUTOUT AND PERMANENTLY REPAIRED PER FAA 8100-9 INSTRUCTIONS USING EXTERNAL DOUBLER AND TRIPLER.