A white cloth pouch was found hidden under the cushion of one of the seats.
Further, to assist senior citizens and women, additional manpower have been deployed near the X-ray machines for handling heavy luggage.
Nobody was injured in the incident and all 170 passengers were safely disembarked, officials said.
Air Intelligence Unit (AIU) sleuths belonging to the Customs department foiled attempts to smuggle 6kg gold worth Rs 2 crore at Chennai airport.
The parliamentarian, V Elumalai of the AIADMK, is seeking re-election from his Arani Lok Sabha seat.
Air Intelligence Unit sleuths from the Customs department foiled bids to smuggle Iranian saffron worth Rs 60 lakh and gold worth Rs 13.3 lakh and arrested one person at the airport here on Thursday.
Acting on a tip off, officials at the departure terminal intercepted the man bound for Singapore and recovered 14,000 US dollars concealed in his baggage, an official release said.
In a separate incident, two female passengers who had arrived by Gulf Air flight GF 068, were intercepted by AIU officers at exit on suspicion of carrying gold.
Air Intelligence sleuths of Customs foiled bids to smuggle gold worth `22.1 lakh through Chennai Airport on Thursday.
Among three options presented by consultant to expand phase-1, authorities likely to favour route with 16-km alignment along GST.
Air Intelligence Unit (AIU) sleuths of the Customs department foiled attempts to smuggle 2.186-kg gold worth Rs 72 lakh in different incidents at the airport.
The Air Intelligence Unit of the Customs department foiled bids to smuggle 3.4kg gold worth `1.12 crore at Chennai Airport and arrested two persons in this regard.
A customs release said AIU officials detected two cases of gold smuggling on Wednesday night and one case of foreign currency on Thursday morning.
Air Intelligence Unit sleuths of the Customs department foiled attempts to smuggle 1.36-kg gold worth `44.4 lakh in separate incidents at the Chennai airport.
In February this year, the Customs department seized a leopard cub.