What was found
NR 1 ENGINE EXPERIENCED MULTIPLE STALLS WHILE IN STEADY STATE CONDITION AT CRUISE POWER SETTING IN TURBULENCE AT 39,000 FEET WITH AUTO THROTTLES DISCONNECTED. *S/D* ACCOMPLISHED CHECKS PER MM 71-00-39. FOUND 3.0 BLEED OPERATION WAS ERRATIC AND COULD NOT BE TRIMMED TO WITHIN OPERATIONAL LIMITS. THE ENGINE WAS REMOVED AND ROUTED TO THE SHOP. IN THE SHOP, A WORN 3.0 BLEED ROD BEARING IN THE FAN CASE WAS FOUND AND REPLACED.