FLT CREW OF B737 ENCOUNTER MULTIPLE SYS FAILURES; INCLUDING LOSS OF ATC COM; AT CRUISE NEAR LKV. OVERCOME DIFFICULTIES BUT FAIL TO PROPERLY LOG THE INCIDENT.

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WHILE ENRTE TO RNO; APPROX 80 MI N OF LKV VORTAC; CLBING THROUGH FL385 FOR FL410; WE EXPERIENCED #1 DEU FAILURE; PLUS #1 COM FAILURE; YAW DAMPER DISENGAGEMENT; AUTOPLT DISENGAGEMENT; AND EEC ALTERNATE MODE. BECAUSE WE COULD NOT CONTACT ATC; WE SQUAWKED 7700 AND DSNDED TO FL370. I OPTED NOT TO CLB TO FL410 BECAUSE OF EEC ALTERNATE MODE. IT TOOK A FEW MINS TO RUN THE CHKLIST FOR DEU AND EEC PROBS; AND ALSO TO DETERMINE WHAT FREQ TO ATTEMPT CONTACT WITH ATC; SINCE THE #1 COM SYS HAD BLANKED. WE FINALLY CONTACTED ATC ON COM #2; AND ADVISED THEM THAT WE WERE AT FL370; AND HAD DSNDED BECAUSE OF A SYS FAILURE. THEY ASKED IF WE REQUIRED ANY FURTHER ASSISTANCE; AND WE SAID NOT AT THIS TIME. WE CHKED CIRCUIT BREAKERS; AND FOUND THE STANDBY BUS 'SECT' 1 CIRCUIT BREAKER LOW BEHIND THE FO POPPED; AND UPON RESETTING IT; RECOVERED ALL SYS EXCEPT EEC ALTERNATE MODE. UPON ARR IN RNO; I CONTACTED MAINT CTL; AND ADVISED THEM ALL THAT HAD TRANSPIRED. IT WAS DETERMINED THAT NO OTHER ACTION WAS REQUIRED. I WAS CONTACTED BY MY CHIEF PLT THE NEXT DAY; WHO INFORMED ME THAT WE NOW NEEDED TO WRITE UP POPPED CIRCUIT BREAKERS AS AN 'INFO' ENTRY. I WAS UNAWARE OF THIS NEW PROC; AS APPARENTLY WAS MAINT CTL. I WAS STILL OPERATING ON THE PREMISE THAT THE ONLY 'INFO' WRITE-UP WAS FOR TKOF ABORTS FOR THE TKOF WARNING HORN. I NOW UNDERSTAND THIS NEW REQUIREMENT.