Patrick Rhodes, aviation director for the Amarillo airport, said the pilot reported smoke in the cockpit of the Boeing MD-80, and alarms and warnings were triggered in the Tuesday incident, the Amarillo Globe News reported.
American Airlines Flight 1099, carrying 117 passengers, was en route to Dallas when the smoke was reported. The plane landed without incident and all 117 passengers disembarked, Rhodes said.
Rhodes said he did not know what caused the smoke aboard the Boeing MD-82.
Federal Aviation Administration spokesman Lynn Lunsford said the incident was under investigation.