At 9:36, the FAA's Boston Center called NEADS and relayed the discovery about an unidentified aircraft closing in on Latest report.
( ( At 9:36 ) ( , ( ( ( the ( FAA 's ) ) ( Boston Center ) ) ( ( ( ( called NEADS ) and ) ( ( ( relayed ( the discovery ) ) ( about ( an ( unidentified ( aircraft closing ) ) ) ) ) ( in ( on ( Latest report ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN At) (NP (CD 9:36))) (, ,) (NP (NP (DT the) (NNP FAA) (POS 's)) (NNP Boston) (NNP Center)) (VP (VP (VBD called) (NP (NNS NEADS))) (CC and) (VP (VBD relayed) (NP (DT the) (NN discovery)) (PP (IN about) (NP (DT an) (JJ unidentified) (NN aircraft) (NN closing))) (PP (IN in) (PP (IN on) (NP (JJS Latest) (NN report)))))) (. .)))
At 9:36 PM, the FAA's Boston Center called NEADS and related the discovery. 
( ( At ( 9:36 PM ) ) ( , ( ( ( the ( FAA 's ) ) ( Boston Center ) ) ( ( ( ( called NEADS ) and ) ( related ( the discovery ) ) ) . ) ) ) )
(ROOT (S (PP (IN At) (NP (CD 9:36) (NN PM))) (, ,) (NP (NP (DT the) (NNP FAA) (POS 's)) (NNP Boston) (NNP Center)) (VP (VP (VBD called) (NP (NNS NEADS))) (CC and) (VP (VBD related) (NP (DT the) (NN discovery)))) (. .)))