A B737-700 WAS DISPATCHED IN NON COMPLIANCE WITH THRUST REVERSER CIRCUIT BREAKERS NOT RESET AFTER MAINT.

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ON 08/WED/02; I WAS ASSIGNED ACFT X AND WAS TO PERFORM A 'PM' CHK ON IT. I WAS INFORMED BY MY TECHNICAL FOREMAN THAT THIS WAS AN 'ALERT' ACFT DUE TO PREVIOUS WRITE-UPS FOR A FAULT CODE ON THE #1 THRUST REVERSER. HE STATED THAT HE WOULD LIKE FOR US TO CHK IT OUT LATER IN THE SHIFT AS WORKLOAD PERMITTED. WHEN THE FLT ARRIVED; I CONFERRED WITH THE ARRIVING CREW ABOUT THE PREVIOUS FAULTS. THE CAPT WAS AWARE OF THE 2 PREVIOUS WRITE-UPS AND THAT HE HAD NO PROBS WITH THE SYS ON THE LEGS THAT HE HAD FLOWN. WHEN I INTERROGATED THE EXTERNAL ACCESS UNIT; THERE WERE NO FAULTS LATCHED. I PROCEEDED TO COMPLETE THE 'PM' CHK. I PULLED THE CIRCUIT BREAKERS FOR THE THRUST REVERSER CTL SO THAT WE COULD CHK OUT THE SWITCH; #1 ISOLATION VALVE; AND WIRING ASSOCIATED WITH THE FAULT. WE FOUND NO DISCREPANCIES. SATISFIED THAT THERE WERE NO CURRENT PROBS; I BEGAN COMPLETING MY PAPERWORK. AFTER SHUTTING THE ACFT DOWN AND INSTALLING A NEW LOGBOOK; I DID LOOK TO MY L AND R TO TRY AND VERIFY THAT THE BREAKERS WERE IN. I DID NOT NOTICE ANYTHING OUT OF PLACE AND ASSUMED THAT MY FOREMAN HAD PUSHED THE BREAKERS IN. I KNOW NOW THAT I SHOULD HAVE BEEN MORE DILIGENT IN VERIFYING THAT EVERYTHING WAS IN ORDER. LATER I WAS CONTACTED BY NEXT SHIFT WHO HAD BEEN CONTACTED BY MAINT CTL. I ASSUME MAINT CTL WANTED TO KNOW WHAT; IF ANY; WORK HAD BEEN PERFORMED ON THE SYS. I LATER FOUND OUT THAT WHEN THE ACFT ARRIVED IN ZZZ1 THE CREW HAD AN INDICATION QUESTION ABOUT THE SYS. SO; IN CONCLUSION; NOT BEING 100% SURE THE BREAKERS HAD BEEN RESET; I'M ASSUMING THAT THIS MIGHT HAVE CAUSED A PROB.