What was found
DIVERTED, DURING CLIMBOUT OF 19,000 FT POSSIBLE LIGHTNING STRIKE. MULTIPLE ELECTRICAL FAILURES. NR 1 GENERATOR , ALL EFIS DISPLAYES WENT BLANK. F/O'S CAME BACK FOLLOWED BY CAPTAINS 1 MINUTE LATER. LIGHTNING STRIKE INSPECTION PERFORMED IAW AMM 05-51-200-001-A, NO STRIKES NOTED. R & R NR 1 ENGINE GCU IAW AMM 24-22-34, OK FOR SERVICE.