What was found
LAX - FLT 48 - DURING CLIMB, CREW NOTED THE STICKSHAKER ACTIVATION DURING NORMAL FLIGHT ATTITUDE. THE FLIGHT WENT INTO A HOLDING PATTERN. AFTER CONFERRING WITH MAINTENANCE, THE C-11 CIRCUIT BREAKER WAS PULLED AND THE FLIGHT RESUMED. CREW THEN NOTED AN INCREASING DIFFERENCE BETWEEN THE CAPTAINS AND FIRST OFFICERS ALTIMETERS AS THE AIRCRAFT INCREASED ALTITUDE. FLIGHT RETURNED TO LAX AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT AIR DATA COMPUTER. (M)