The tragedy happened as Air India was on the "final climb phrase" of its brand transformation after the Tata buyout

Investigators now sift wreckage and decode black boxes to learn what caused last week's Boeing 787 crash.

The stakes are high for Boeing and India as both sides seek to address safety perceptions following the 787 Dreamliner’s crash in Ahmedabad.

The tragedy happened as Air India was on the "final climb phrase" of its brand transformation after the Tata buyout

The move came a day after Indian officials told the airline to improve its operations, and as delays and canceled flights are drawing complaints from passengers.