NTSB Identification: DCA01WA032
Incident occurred Tuesday, March 27, 2001 in Paris, France
Aircraft: Boeing 767-300ER, registration: N379AA
Injuries: 137 Uninjured.

This is preliminary information, subject to change, and may contain errors. The foreign authority was the source of this information.

American Airlines flight 48, a Boeing 767-300, experienced pitch control difficulties while on approach for landing at Charles de Gaulle International Airport (CDG), Paris, France. None of the 3 flight crew, 10 cabin crew, and 124 passengers on board the airplane were injured. The flight landed about 1132 local time. The flight crew indicated that the elevators appeared to be jammed and were not responsive to control column inputs and that stabilizer trim was used to maintain proper pitch control. Both flight recorders were removed and initially read out by the French Bureau Enquetes Accidents (BEA). The flight data recorder (FDR) data were transferred electronically to the Safety Board's lab by the BEA. The BEA's readout of the CVR indicated that the event had been written over. The BEA delegated the investigation of the incident to the Safety Board.

Examination and testing of the airplane disclosed no anomalies in the pitch control system. However, subsequent examinations and testing indicated that water may have entered the empennage area and froze on elements of the elevator control system. A similar event on another Boeing 767 operated by another carrier occurred on approach to Zurich, Switzerland on April 23, 2001. On examination, found water/ice in empennage on elevator control system (ref DCA01WA038).

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