At about 9:00, the senior NMCC operations officer reached out to the FAA operations center for information.
( ( At ( about 9:00 ) ) ( , ( ( the ( senior ( NMCC ( operations officer ) ) ) ) ( ( ( ( reached out ) ( to ( the ( FAA ( operations center ) ) ) ) ) ( for information ) ) . ) ) ) )
(ROOT (S (PP (IN At) (NP (QP (RB about) (CD 9:00)))) (, ,) (NP (DT the) (JJ senior) (NN NMCC) (NNS operations) (NN officer)) (VP (VBD reached) (PRT (RP out)) (PP (TO to) (NP (DT the) (NNP FAA) (NNS operations) (NN center))) (PP (IN for) (NP (NN information)))) (. .)))
A senior NMCC operations officer reached out to the FAA at 9:00 but was ignored.
( ( A ( senior ( NMCC ( operations officer ) ) ) ) ( ( ( ( ( ( reached out ) ( to ( the FAA ) ) ) ( at 9:00 ) ) but ) ( was ignored ) ) . ) )
(ROOT (S (NP (DT A) (JJ senior) (NN NMCC) (NNS operations) (NN officer)) (VP (VP (VBD reached) (PRT (RP out)) (PP (TO to) (NP (DT the) (NNP FAA))) (PP (IN at) (NP (CD 9:00)))) (CC but) (VP (VBD was) (VP (VBN ignored)))) (. .)))