Boeing states that FAA(*) and EASA found documentation of 737 MAX software changes insufficient.
Source:
CNBC article.
Chairman David Calhoun, about CEO Dennis Muilenburg voluntarily waiving his bonus and equity grants for 2019 and
...until the Max in its entirety is back in the air and flying safely. As you know, MAX in its entirety takes us thru all of the next calendar year, and probably until the beginning of 2021
Source: other
CNBC article and audio (at 8:00)
(*) updated thanks to airsound