Narrative:

On 08/wed/02, I was assigned aircraft X and was to perform a 'pm' check on it. I was informed by my technical foreman that this was an 'alert' aircraft due to previous write-ups for a fault code on the #1 thrust reverser. He stated that he would like for us to check it out later in the shift as workload permitted. When the flight arrived, I conferred with the arriving crew about the previous faults. The captain was aware of the 2 previous write-ups and that he had no problems with the system 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' check. I pulled the circuit breakers for the thrust reverser control so that we could check out the switch, #1 isolation valve, and wiring associated with the fault. We found no discrepancies. Satisfied that there were no current problems, I began completing my paperwork. After shutting the aircraft down and installing a new logbook, I did look to my left and right 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 maintenance control. I assume maintenance control wanted to know what, if any, work had been performed on the system. I later found out that when the aircraft arrived in ZZZ1 the crew had an indication question about the system. So, in conclusion, not being 100% sure the breakers had been reset, I'm assuming that this might have caused a problem.

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Original NASA ASRS Text

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

Narrative: 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.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.