At 9:58:57, Jarrah told another hijacker in the cockpit to block the door.
( ( At 9:58:57 ) ( , ( Jarrah ( ( ( ( told ( another hijacker ) ) ( in ( the cockpit ) ) ) ( to ( block ( the door ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN At) (NP (CD 9:58:57))) (, ,) (NP (NNP Jarrah)) (VP (VBD told) (NP (DT another) (NN hijacker)) (PP (IN in) (NP (DT the) (NN cockpit))) (S (VP (TO to) (VP (VB block) (NP (DT the) (NN door)))))) (. .)))
Jarrah never had any doors blocked. 
( Jarrah ( never ( ( had ( ( any doors ) blocked ) ) . ) ) )
(ROOT (S (NP (NNP Jarrah)) (ADVP (RB never)) (VP (VBD had) (NP (NP (DT any) (NNS doors)) (VP (VBN blocked)))) (. .)))