What was found
CLIMBING THROUGH 13,000 FEET, LEFT GENERATOR FAILED, NO RESET CAPABILITY, AUTO-PILOT TRIPPED OFF, BOTH NR 1 AND NR 2 INVERTERS FAILED. BATTERY-ON HORN KEPT HONKING INTERMITTENTLY AT 2 TIMES PER SECOND RATE. ALL CO-PILOT FLIGHT INSTRUMENTS FLAGGED OFF. ALL PILOT FLIGHT INSTRUMENTS FLAGGED OFF, EXCEPT FOR PILOT''''S ADI HORIZON. AIRCRAFT LANDED AT PTK WITHOUT INCIDENT. CHANGED RIGHT BATTERY CONTACTOR, FIXED THE PROBLEM. (M)