What was found
(CAN) DURING A TEST FLT REQUIRED FOR JAPANESE ANNUAL C OF A RENEWAL, AT APPROX 12,500 FT, THE NR 2 ENGINE WAS SHUT DOWN AND A ALTERNATE LANDING GEAR EXTENSION WAS CARRIED OUT. THE CREW THEN ATTEMPTED TO RESTART THE NR 2 ENGINE IN FLT, BUT WERE UNSUCCESSFUL. THE AIRCRAFT MADE A SUCCESSFUL SINGLE ENGINE LANDING. FAULT CODES REPORTED WERE 910 & 969. NR 2 ENGINE IGNITION EXCITER WAS REPLACED, FAULT CODESCLEARED AND ENGINE STARTS NORMALLY.