Service difficulty report · Skin · Boeing 747123F

Difficulty date
July 14, 2006
Submitted
August 16, 2006
Operation
Air carrier
Aircraft
N676UP
Make and model
Boeing 747123F
Aircraft serial
20101
Aircraft time
83,907 hours, 23,132 cycles
Part
Skin
Condition
Cracked
Location
Bs 340-380 S6r
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

FX BS 340-380 S6R LAP SPLICE TOP ROW FASTENER HOLES FOUND CRACKS AT OUTER SKIN. FX BS340-360 S6R FASTENER REINSTALLED AS PER RS R53-15-35543 ITEM C. REFER NRC 7055 FOR WORKING DETAIL. FX BS360-384 S6R OVERLAPPING SKIN DOUBLERS ARE TO BE CONTINUE AT REPEAT INTERVALS AS GIVEN IS SB 747-53-2253 AFTER MODIFICATION FLIGHT SAFETY INSPECTION AND PER UPS ENGINEERING FILE 747-53-20319.