Service difficulty report · Stringer · Boeing 747230B

Difficulty date
September 20, 2011
Submitted
October 25, 2011
Operation
Air carrier
Filed by
TX9Y778Y
Taikoo Xiamen Aircraft Engineering Company Ltd
Aircraft
N760SA
Make and model
Boeing 747230B
Aircraft serial
21221
Aircraft time
128,395 hours, 24,583 cycles
Part
Stringer
Part number
65B0448313
Condition
Corroded
Location
Fuselage
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

DURING INSPECTION OF THIS DATUM AIRPLANE, THE STRINGER 51R (P/N: 65B04483-13) IS FOUND HEAVILY CORRODED ON THE INBOARD SIDE WEB FLANGE AT STA 1958. THE STRINGER AFT END WAS TRIMMED AND A REPAIR SPLICE CHANNEL SIMILAR WITH THE ORIGINAL ONE, BUT WITH EXTENDED CONTOUR, WAS INSTALLED. THIS REPAIR WAS ACCOMPLISHED AND APPROVED BY ODA-300064-NM FAA FORM 8100-9 DATED ON OCT 19, 2011 UNDER BOEING SERVICE REQUEST 1-1989471398.