Service difficulty report · Skin · Boeing 747121

Difficulty date
March 11, 2006
Submitted
March 31, 2006
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
106,939 hours, 27,146 cycles
Part
Skin
Condition
Corroded
Location
Bs 2168
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

INSPECTION TYPE:C FX SKIN LAP S12R TOP ROW FASTENER LOCATION AT BS 2168- BS 2170 FOUND OUTER SKIN WITH MATERIAL LOSS APPROX 0.013" (IE 10%) (MATERIAL LOSS D:0.013" BY W:0.75" BY L:2"). FX SKIN LAP REPAIRED AT BS 2162-2176 S11R - S12R AS PER SRM 53-30-03 FIG 17 WITHOUT ZEROTIME SUBSEQUENT INSPECTION ARE NECESSARY FOR CAT B REPAIR REFER TO TABLE III FOR INSPECTION REQUIREMENT.