ON DEP FROM MCO FLT CREW IS UNABLE TO RAISE LNDG GEAR ON B733. PERFORM APPROPRIATE CHKLIST; RESET APPROPRIATE CIRCUIT BREAKER AND RESOLVE THE PROB.

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AFTER THE TKOF WITH POSITIVE RATE OF CLB; I CALLED FOR LNDG GEAR UP. MY FO TRIED TO RETRACT THE GEAR; BUT COULD NOT GET IT PAST THE 'OFF' POS. HE RETRIED; BUT THE GEAR WOULD NOT RETRACT. THE TWR ASKED IF WE WERE COOLING THE BRAKES OR WERE WE HAVING A GEAR PROB. WE ADVISED THAT WE WERE HAVING A GEAR PROB AND WOULD LIKE TO LEVELOFF AT 7000 FT TO GET ABOVE THE CLOUD LAYER AT 5000 FT TO LOOK AT THE PROB. I LOOKED AT THE PRESSURIZATION GAUGE AND SAW THAT THE ACFT WAS PRESSURIZING TO DETERMINE IF THE AIR/GND SENSOR WAS FUNCTIONING PROPERLY. TWR LEVELED US OFF AT 7000 FT AND TURNED US TO 290 DEG HDG. MY FO READ THE QRH. PER THE QRH; WE LOOKED AT THE CIRCUIT BREAKERS AND NOTED THAT ONE OF THE GEAR BREAKERS WAS OUT. MY FO PUSHED THE CIRCUIT BREAKER BACK IN. AS IT DID NOT POP OUT AGAIN; HE PULLED THE GEAR HANDLE AND THE GEAR RETRACTED NORMALLY. WE ADVISED THE DEP CTL THAT ALL WAS NORMAL AND COULD PROCEED NORMALLY. WHEN WE GOT TO ALT; I CONTACTED DISPATCH AND MAINT. AFTER DISCUSSING THE EVENT WITH THEM; WE DECIDED TO CONTINUE ON TO DEST. WHEN I GOT TO DEST; TELEPHONED MAINT AND DISPATCH. AS WE DID NOT HAVE ANY FURTHER PROBS; AND IT HAD BEEN A POPPED CIRCUIT BREAKER; I DID NOT PUT IT IN THE LOGBOOK. MAINT CONCURRED WITH THE DECISION. I KNOW THAT I CHKED THE CIRCUIT BREAKERS AND THE FO SAID HE CHKED THE BREAKERS ON HIS PREFLT AS WELL. ALSO; THE FO HAD NOT RELEASED HIS SHOULDER HARNESS AT THAT TIME AS IT WAS RIGHT AFTER THE TKOF ROLL. PERHAPS WHEN THE PWR WAS CHANGED OVER FROM THE EXTERNAL TO APU OR APU TO GENERATORS; IT POPPED. I DO KNOW THAT I WILL ALWAYS CHK THE BREAKERS AFTER MAKING PWR CHANGES.