Conversation so far:
When was the moto2 world championship that Marc Marquez participated in?
Márquez confirmed that he would remain in Moto2 for the 2012 season.
Did Marc Marquez do well in the 2012 Moto2 Championship?
In 2012, Márquez won the Moto2 championship title.
Did Marc Marquez set any records?
Márquez became the youngest ever MotoGP race winner at 20 years, 63 days, beating Freddie Spencer's 30-year-old record.
Who did Marc Marquez work with?
Márquez signed a two-year contract with the Repsol Honda team in MotoGP, joining teammate Dani Pedrosa.
Did Marc Marquez win any awards?
Márquez failed to finish the races in Italy and Catalunya, but returned to the podium with a second-place finish at Assen.
Why did Marc Márquez fail in the Moto2 World Championship?
Marc Márquez did not start the race, as he failed a medical examination prior to the warm-up on race morning.
What happened because of Marc Márquez failing his medical examination?
Márquez attended the final race of the season in Valencia, in the hope of being fit to compete, but withdrew due to his continued vision problems, giving Bradl the title.
Are there any other interesting aspects about Marc Marquez in the Moto2 World Championship besides withdrawing due to his continued vision problems, giving Bradl the title?
Márquez crashed out in Malaysia. The incident was reviewed by Race Direction.

Question: what was the incident?
Self-contained rewrite: What was the incident involving Marc Marquez in Malaysia?