What was found
(CAN) ON MARCH 27, 2000, PILOT REPORTED ON CLIMB-OUT, ENGINE SUDDENLY RAN ROUGH AND COMPLETE ELECTRICAL FAILURE FOR 5 SECONDS. CHECKED ALL WIRING AND ENGINE FOR ANY ABNORMAL SIGNS. NONE FOUND. RAN FINE ON GROUND, ETC. OPENED IGNITION SWITCH AND FOUND A LITTLE DIRTY (BUT DRY). CLEANED CONTACT PLATES AND LUBRICATED WITH ELECTRICAL LUBE AND RE-ASSEMBLED. PERFORMED TEST FLIGHT AND FOUND NOT EVEN A STUTTER. AIRCRAFT WAS FLOWN 150 HRS SINCE THEN WITH NO DIFFICULTY. NOTE: SUBMITTER NOT POSITIVE THAT THE IGNITION SWITCH CAUSED THIS. COULD BE SOMETHING ELSE AND DID NOT THINK THE SWITCH WAS THAT BAD BUT COULD NOT FIND ANYTHING ELSE.