SDR EIAA970215

Service difficulty report · Skin · Boeing 747121

Difficulty date
September 29, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N480EV
Make and model
Boeing 747121
Aircraft serial
20348
Part
Skin
Condition
Corroded
Location
Ws 816-830
Part time
93,006 hours
Stage of operation
IN
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

MZJ - DURING C-CHECK INSPECTION DISCOVERED EXFOLIATION CORROSION ON THE UPPER SURFACE OF THE LEFT WING SKIN BETWEEN WS 816 TO WS 830 ALONG THE TRAILING EDGE AND RESPECTIVELY IN THE AREA COMMON TO THE REAR WING SPAR. REPAIRED BY BLENDING AWAY CORROSION, REMOVING FASTENERS, ROTOPEENING THE AFFECTED AREAS, INSTALLING NEW FASTENERS AND RESTORING FINISH. REPAIRED IAW EVERGREEN INT'L AIRLINES ECRA NR 480-57-067-2. (X)