Service difficulty report · Skin · Boeing 747121

Difficulty date
August 16, 2006
Submitted
October 2, 2006
Operation
Air carrier
Aircraft
N682UP
Make and model
Boeing 747121
Aircraft serial
20349
Aircraft time
104,700 hours, 26,436 cycles
Part
Skin
Condition
Corroded
Location
Bs 1118-1120
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 M/D BS 1118 TO 1120 RBL70 TO 72 WING CTR SECTION UPPER SURFACE FOUND CORRODED. CORROSION BLEND OUT 0.055" BY 3.5" BY 5" EXCEED SRM LIMIT. M/D BS 1118 TO 1120 RBL 70 TO 72 WING CTR SECTION UPPER SKIN CORRODED AREA REPAIRED AS PER RS R57-14-35597 AND UPS ENGINEERING FILE NUMBER 747-57-20111.