A C182RT ON LNDG GEAR EXTENSION HAD NO GREEN LIGHT AND USED ALTERNATE EXTENSION. ON LNDG; THE NOSE GEAR COLLAPSED INCURRING ACFT DAMAGE.

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I WAS ON AN IFR FLT FROM ZZZ1 TO ZZZ2 WHEN ON FINAL APCH I NOTICED MY LNDG GEAR HAD NOT LOWERED. THE GREEN LIGHT WAS NOT ON; SO I PLAYED WITH THE LNDG GEAR CIRCUIT BREAKER. THE GEAR LOWERED AND THE GREEN LIGHT CAME ON. I LANDED WITHOUT INCIDENT. 4 HRS LATER AT APPROX XA00; I DEPARTED ZZZ2 FOR ZZZ3. ON THE WAY; I REALIZED I MIGHT HAVE A PROB WITH THE LNDG GEAR. ATC VECTORED ME TO ZZZ3 TO EXPECT A VISUAL FOR RWY 12R. I TURNED FOR A LONG FINAL (10-12 MI) AND LOWERED THE LNDG GEAR. THE LIGHT DIDN'T COME ON AND AGAIN I PLAYED WITH THE CIRCUIT BREAKER. THIS TIME IT WOULDN'T RESET AND I NOTICED THE GEAR HADN'T COME DOWN. I PROCEEDED TO HAND PUMP THE GEAR DOWN. THE MAIN GEAR WENT INTO POS AND I ASSUMED THE NOSE GEAR HAD AS WELL. THE ONLY REASON NOT TO WOULD BE DUE TO LOSS OF HYD FLUID IN THE SYS. I OVER-PUMPED THE SYS AND AGAIN NOTICED NO GREEN LIGHT. I CONTINUED ON WITH THE LNDG; NO LIGHT INDICATION LNDG CHKLIST. AGAIN THE CIRCUIT BREAKER WOULD NOT RESET. I LANDED AND ON ROLLOUT THE NOSE SLOWLY LOWERED. I RPTED THE NOSE GEAR COLLAPSE TO THE TWR. THE RWY CLOSED AND WITHIN 45 MINS WE LIFTED THE NOSE AND LOCKED THE NOSEWHEEL DOWN AS WE TOWED THE PLANE TO PARKING. OUR MECH WILL BE RECYCLING THE NOSE GEAR WITHIN 10 DAYS TO FIND OUT WHAT WENT WRONG. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED NO CAUSE HAS BEEN FOUND AS THE AIRPLANE HAS NOT BEEN PUT ON JACKS AND THE LNDG GEAR OPERATED. THE ENG HAS BEEN REMOVED FOR TEAR-DOWN DUE TO THE PROP STRIKE AND WILL BE FINISHED SHORTLY. THE AIRPLANE INCURRED SOME SHEET METAL DAMAGE AND WILL NEED A NEW PROP.