FLC OF MLG IN HOLDING PATTERN 10 MI LEGS HAD RA ON TCASII BUT HELD ALT WHEN TFC WAS SIGHTED. ARTCC CTLR MOVED THE TFC AT SAME ALT.

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WHILE ENRTE TO LGA GIVEN SEVERAL HOLDS. THEN GIVEN ENRTE TO STEFE INTXN TO HOLD. WHILE STILL ENRTE WE WERE GIVEN A DSCNT TO FL190 AND TO HURRY THROUGH FL200. BEFORE REACHING FL190 WE WERE GIVEN; AND ACKNOWLEDGED; A CLRNC TO 15000 FT. WE ALSO ASKED AND RECEIVED 10 MI LEGS IN THE HOLD. AFTER ABOUT 3 TURNS IN THE PATTERN INBOUND TO THE HOLD FIX WE RECEIVED A TA ON THE TCASII. WE LOCATED THE TFC ON THE SCREEN AND THEN GOT VISUAL CONTACT. WE THEN GOT AN RA ON THE TFC. IT WAS AN XXX WHICH PASSED 2-2 1/2 MI TO OUR R AT THE SAME ALT. THEN THE XXX SAID THAT THEY HAD ALSO RECEIVED AN RA. THE CENTER GAVE THEM A VECTOR OFF COURSE. SHORTLY AFTERWARD THE CENTER CHANGED CTLRS. THE NEW CTLR ASKED OUR ALT AND WE TOLD HER 15000 FT. LATER WHILE OUTBOUND IN THE HOLD 9 MI FROM THE HOLD FIX WE WERE STARTING OUR INBOUND TURN THE CTLR STARTED QUESTIONING OUR POS AND IMPLIED WE WERE NOT IN THE HOLDING PATTERN PROTECTED AREA. WE INFORMED HER OF OUR 10 MI LEGS AND OUR POS. I STILL DON'T UNDERSTAND HOW THE CONFLICT CAME ABOUT BUT WILL BE MORE ALERT WHILE IN HOLDING PATTERNS IN THE FUTURE.