Maintenance Oversight News Today

To keep her -- or keep her contained. >> reporter: martinez told cnn a man who tended to the passenger had blood all over his hands. he said the plane experienced violent turbulence and that he saw his colleague sitting next to him typing out a good bye message to his family. the plane quickly deappreciatized and made an emergency landing in philadelphia. >> the flight crew did an incredible job getting the aircraft here on the ground. >> reporter: officials say a few other passengers suffered m...

Cal questions. where is the plane and what caused it to vanish? an official report on the disappearance of flight 370 reveals the pinger batteries on one of two black boxes expired long before. >> the family members -- >> reporter: lawyers representing 27 of the victims families say that may have compromised the search. >> the balancettery pinger expired, its another dagger in the heart of the families. >> reporter: the airline admits the maintenance oversight but denies it hampered the search b...