Service difficulty report · Spar · Boeing 747230B

Difficulty date
September 26, 2007
Submitted
October 10, 2007
Operation
Air carrier
Aircraft
N512MC
Make and model
Boeing 747230B
Aircraft serial
21220
Aircraft time
115,322 hours, 21,440 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
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 SURFACE MID SPAR WS 1112, WS 1280, WS 1330 AND WS 1392 HAS MINOR SURFACE CORROSION EVIDENT. CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 51-10-02.