Service difficulty report · Skin · Boeing 747123

Difficulty date
January 12, 2005
Submitted
January 26, 2005
Operation
Air carrier
Aircraft
N675UP
Make and model
Boeing 747123
Aircraft serial
20390
Aircraft time
74,557 hours, 21,365 cycles
Part
Skin
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

INSPECTION TYPE:C, CORROSION INDICATOR REVEALED ON FUSELAGE UPPER SKIN AT BS 1820 TO BS 1825 STR 46L. CORROSION BLEND OUT 0.035 X 2 X 2 INCHES EXCEED SRM LIMIT. OVER LAPPING SKIN REPLACED AS PER SRM 53-30-03 FIG 17 AND REPAIR DOUBLER AND FILLER INSTALLED AS PER SRM 53-30-03 FIG 17.