Service difficulty report · Spar · Boeing 747230B

Difficulty date
March 3, 2010
Submitted
April 30, 2010
Operation
Air carrier
Aircraft
N760SA
Make and model
Boeing 747230B
Aircraft serial
21221
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Corroded
Location
Rt Wing
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

WS NR 0912, WC NR 57-910-01-01. RT WING L/E FRONT SPAR LOWER CHORD AT OLES 1356 FOUND CORROSION. RT WING LOWER SKIN CORROSION AREA CUT AND REMOVED IAW SRM 57-30-03, FIG 9 REV 116 AT FRONT SPAR OLES 1356 TO 1362. HFEC CARRIED OUT AND FUND NO CRACK EVIDENT. REPAIRED CARRIED OUT IAW SRM 57-30-03, FIG 9, REV 116.