The flight, which originated from Muscat, was on its way to Delhi after its scheduled stop in Kochi.
The passengers were offloaded and the aircraft was moved to an isolation bay for further inspection, airport sources said.
The incident happened while the Kochi-bound Boeing 737-800 aircraft was taxiing and after the warning, the passengers were evacuated as a precautionary measure, the source said.
In what could be the first, state-sponsored airline company in the country, the Kerala cabinet on Wednesday gave an in-principle approval for setting up an aviation company in the joint sector to operate international services.
The Cochin International Airport Ltd at Nedumbassery on Wednesday said it aims to become the first international airport not to levy any landing charges, by the end of 2012.
Coimbatore-based Paramount Airlines will start operations by the first week of September, connecting Kochi and Delhi, sources said on Wednesday.
The Cochin International Airport Ltd is undergoing expansion at a cost of Rs 3,500 crore (Rs 35 billion), which when completed would allow it to receive the world's largest aircraft, Airbus A380, a top CIAL executive said on Thursday.
A red alert was declared in 8 districts of Kerala on Thursday by the India Meteorological Department (IMD) as rains continued to lash various parts of the state and disrupted the day-to-day lives of the people as roads got flooded or caved in and many got displaced from their homes to relief camps.
Moving the resolution, Chief Minister Pinarayi Vijayan said the Centre should re-examine its decision and the operation and management of the airportbe handed over to the Special Purpose Vehicle in which the state government has stake.
A senior executive of NIA confirmed the development and said that the insurance company is assessing damage to the airport's assets
Sixteen deaths in rain and flood-related incidents have been reported from western Maharashtra in the last seven days, while the toll in Karnataka rose to five since Sunday.
The UPA Government is trying to push through the second wave of airport privatisation before the elections and the controversial elements of this process threaten to harm the sector.