Lawyers handling claims against the USA aerospace company said the longer the passengers and crew were aware of their desperate fate, the larger the likely payout.
"There's a better chance of [financial] recovery if it took minutes rather than seconds for the plane to crash, " said Joe Power, a personal-injury lawyer representing some Ethiopian victims. Lion Air Flight 610 crashed into the Java Sea last October, killing 189 people.
In both cases, the jets were 737 Max 8 models and all aboard died. Greater scrutiny may have been given to the safety assessments had the company pointed out that risk, the internal review said.
Thirty individual law suits have now been filed against Boeing on behalf of families with many more expected.
In an exclusive interview with NBC News, Ethiopian Airlines CEO Tewolde Gebremariam speaks out about whether or not his airline will ever fly a Boeing 737 Max 8 again following the deadly crash in March that left 157 dead.
"You get into 'What did you know and when did you know it'".
Both pilots desperately struggled to take control of the aeroplanes as they intermittently dived while reaching speeds of close to 600 miles per hour.
Sources told the Journal that the FAA's investigation didn't find evidence that Boeing officials deliberately provided incorrect data to the FAA, but it's not known what safety information Boeing provided to the agency before the MAX was approved.
Investigators have focused on the malfunctioning MCAS (manoeuvring characteristics augmentation system), an automated safety feature created to prevent a stall.