"I read all over media it (the new debris) was part of a door," said Malaysian Director General of Civil Aviation Azharuddin Abdul Rahman. "But I checked with the Civil Aviation Authority, and people on the ground in Reunion, and it was just a domestic ladder."

>> PHOTOS: 777 debris found on Indian Ocean island

>> Read more trending stories

A number seen on the flaperon was identified Thursday as a component number from a Boeing 777, CNN reported. The wreckage has been flown to France, where it will be analyzed by experts.

On Wednesday, Reunion environmental worker Johnny Begue said he also discovered a piece of a suitcase about 2.5 meters away from the debris, but it's unclear whether the two pieces of wreckage are linked.