Service difficulty report · Spar · Boeing 747230B

Difficulty date
September 25, 2007
Submitted
October 10, 2007
Operation
Air carrier
Aircraft
N512MC
Make and model
Boeing 747230B
Aircraft serial
21220
Aircraft time
115,322 hours, 26,440 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Corroded
Location
Zone 500
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

LHW UPPER SURFACE WS 353 TO WS 586 SPAR SURF CORROSION EVIDENT. CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 51-10-02.