What was found
PASSING THRU 11K FEET ON CLIMB OUT, CAPTAINS ND BEGAN TO CYCLE ON AND OFF WITH STRONG ELECTRICAL ODOR. LEVELED OFF, TURNED BACK AND RAN- C&D SMOKE, FIRE OR FUMES QRH. MX PULLED C/B ANDTHE ODOR DIMINISHED. DURING BASE TURN, LOST THE FO'S CDU SCREEN, AFTER LANDING, LOST THE LOWER EICAS SCREEN. MECHANIC PULLED ALL BREAKERS ASSOCIATED WITH ALL 3 LOST CRT SCREENS. REMOVED AND REPLACED CAPT. HSI IAW AMM 34-24-04. OPS CHECK GOOD AT THIS TIME. PERFORMED OPS CHECK OF LOWER EICAS SCREEN IAW AMM 34-41-01, OPS CHECKED GOOD AT THIS TIME. ITEM M3 REMOVED AND REPLACED F/O CDU IAW AMM 34-61-02, OPS CHECKED GOOD AT THIS TIME. REMOVED AND REPLACED LT THRUST REVERSER UNLOCK RELAY IAW WDM 78-34-11. PERFORMED OPS CHECK OF LT THRUST REVERSER. OPS CHECKED GOOD IAW AMM 78-31-00, REMOVED AND REPLACED NR 1 PACK DUMP & SPRAY NOZZLE IAW AMM 21-53-05, OPERATION CHECK PASSED, ACCOMPLISHED AMM 05-51-56 NO DAMAGE OR DISCREPANCIES NOTED AIRCRAFT OK FOR SERVICE. REPLACED L/H PACK SPRAY/DUMP NOZZLE AND ACCOMPLISHED AMM 21-51-03. TEST PASSED, NO FURTHER HUMIDITY NOTED.