What was found
FLT 465 - HNL - AIR RETURN, AFTER T/O WHILE CLIMBING THROUGH 16,000 FT THE NR 3 GEN DROPPED OFF LINE, RESET GEN CONTROL SWITCH. VOLTS RETURNED TO 118 AND FREQ 401. PULLED GALLEY OVEN C/B'S NR 5 AND NR 6. PUT GEN NR 3 ON LINE AND PARALLED GEN'S. LATER IN FLT NR 2 GEN DROPPED OFF LINE. VOLTS AND FREQ WERE ZERO. THEN NR 3 GEN DROPPED OFF LINE AGAIN. WHILE ONLY OPERATING ON NR 1 GEN DURING RETURN THE NR 1 GEN VOLTS WERE 119 AND FREQ WAS 401. REPLACED NR 3 GEN AND CSD. LEAK CHECK OK, CONDITION SAME. PERFORMED PART POWER ELECT LOAD CHECKED ALL 3 ENG'S FOR 20 MIN. ALL GEN'S WHEN PARALLED CHECKED NORMAL. PLACARD REMOVED FOR FURTHER EVALUATION. (M)