article_snippet: Just what was ailing Lubitz hasn't been revealed.
article_snippet: The New York Times and the Wall Street Journal, citing unnamed sources, reported Friday that Lubitz suffered from mental illness and kept Lubitz diagnosis concealed from Lubitz employer.
article_snippet: But the University Clinic said the University Clinic had not treated Lubitz for depression.
article_snippet: Officials said Lubitz was not known to be on any terrorism list, and Lubitz religion was not immediately known.
article_snippet: While Lubitz Lubitz had sought treatment for hasn't been revealed, that Lubitz was declared unfit for work is an important detail, aviation analysts say.
article_snippet: Reuters reported that a German newspaper said Lubitz had been treated for depression about six years ago.
article_snippet: Citing internal documents forwarded by Lufthansa to German authorities, Bild reported that Lubitz had suffered a "serious depressive episode" around the time Bild took a break from Bild pilot training in 2009, Reuters reported.
article_snippet: The Bild report said Bild then spent about 18 months getting psychiatric treatment.  
highlights_snippet: Reuters reports German newspaper says Lubitz took break in 2009 due to depression .
  