Service difficulty report · Skin · Boeing 747243B

Difficulty date
May 24, 2010
Submitted
May 25, 2010
Operation
Air carrier
Filed by
VGQY082L
St Engineering Aerospace Services Company Pte. Ltd
Aircraft
N820SA
Make and model
Boeing 747243B
Aircraft serial
23476
Aircraft time
84,534 hours, 13,992 cycles
Part
Skin
Condition
Corroded
Location
Lt Wing
Stage of operation
IN
How discovered
V
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

LEFT WING UPPER SKIN SURFACE MID SPAR AT APPROX WS 130 FOUND SURFACE CORROSION. CORROSION REMOVED AS PER SRM 51-10-01 REV 116. ORIG THICKHNESS: 0.354 INCH, MATERIAL REMAINING: 0.350 INCH, MATERIAL REMOVED: 0.004 INCH, WITHIN LIMITS PER SRM 57-30-01 FIGURE 1, REV 116.