AN MD80; AFTER TKOF AND RETRACTING THE LNDG GEAR; HAD THE R MAIN GEAR RED UNSAFE LIGHT AND YELLOW LNDG GEAR DOOR LIGHT. CAUSE UNKNOWN.

Narrative

SHORTLY AFTER TKOF FROM COS; AFTER RETRACTING THE GEAR; WE HAD A YELLOW GEAR DOOR LIGHT AND A R RED MAIN GEAR LIGHT. WE LEVELED AT 10000 FT AND ASKED FOR A HDG. AFTER COMPLETED THE PROC WE TALKED TO MAINT AND DISPATCH. WE STILL HAD BOTH LIGHTS AFTER THE PROC AND DECIDED; WITH ACR MAINT AND DISPATCH; TO CONTINUE THE FLT. DISPATCH RERELEASED US TO ZZZ WITH AN ALTERNATE OF XYZ. WE DID NOT DECLARE AN EMER BUT DID ASK FOR THE EMER EQUIP STANDING BY IN ZZZ. WE ADVISED ZZZ APCH WE ANTICIPATED A NORMAL LNDG; BUT IF THE GEAR DOOR REMAINED OPEN WE WOULD NEED TO STOP ON THE RWY (ACCORDING TO PROC) TO HAVE MAINT CLOSE THE DOOR PRIOR TO TAXI. AFTER EXTENDING THE GEAR; WE RECEIVED NORMAL INDICATIONS AND ADVISED THE TWR WE WOULD HAVE A NORMAL LNDG. AFTER LNDG; WE WERE REQUESTED TO CONTACT THE TWR SUPVR ON A LANDLINE. THE CAPT CALLED AND TOLD ME THE SUPVR SUGGESTED THAT IN THE FUTURE IT WOULD BE ADVISABLE TO DECLARE AN EMER TO FACILITATE TFC FLOW AND EMER EQUIP. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED ON LNDG AT ZZZ ALL LNDG GEAR INDICATIONS WERE NORMAL. THE RPTR SAID WITH THE YELLOW DOOR LIGHT AND THE RED R MAIN GEAR UNSAFE LIGHT THERE WERE NO VIBRATIONS OR NOISE TO INDICATE THE DOOR WAS OPEN BUT CANNOT BE CERTAIN IT WAS A FALSE WARNING. THE RPTR STATED THAT MAINT HAS NOT ADVISED THE CREW OF THE FIX.