Service difficulty report · Skin · Boeing 747121

Difficulty date
August 17, 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 1080
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

BS 1080 LBL93 TO 96 WING CTR SECTION UPPER SURFACE FOUND CORROSION. CORROSION BLEND OUT 0.073" BY 4" BY 4" EXCEED SRM LIMIT. BS 1080 LBL 93 TO 96 WING CTR SECTION UPPER SURFACE CORRODED AREA REPAIRED AS PER RS R57-14-35579 AND UPS ENGINEERING FILE NUMBER 747-57-20101.