India, July 2 -- Passengers in a Japan Airlines flight from China's Shanghai to Japan's capital, Tokyo, reportedly went through a terrible scare as it was forced to deploy oxygen masks after the Boeing 737 plane dropped nearly 26,000 feet.

The flight took off on June 30 from Shanghai Pudong Airport in China for Tokyo Narita Airport. The plane operated under a codeshare agreement between Japan Airlines and Spring Japan, the carrier's low-cost subsidiary. According to the South China Morning Post, 191 people were onboard.

According to an Associated Press report, the plane suddenly experienced a mid-air mechanical issue and rapidly descended from approximately 36,000 feet to just under 10,500 feet within 10 minutes. The incident happened a...