NTSB Identification: MIA98WA251
Accident occurred Sunday, September 20, 1998 in LA PAZ, Bolivia
Aircraft: Boeing 757-223, registration: N650AA
Injuries: 162 Uninjured.

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

On September 21, 1998, about 0555 eastern daylight time, a Boeing 757-223, N650AA, registered to Meridian Trust Company, and operated by American Airlines, Inc., as flight 923, a Title 14 CFR Part 121 scheduled international passenger flight, from Miami, Florida, to La Paz, Bolivia, was damaged when the tail section struck the runway during landing at La Paz. Instrument meteorological conditions prevailed at the time and an instrument flight rules flight plan was filed. The aircraft received substantial damage. The airline transport-rated captain, first officer, international first officer, 6 flight attendants, and 153 passengers were not injured. The flight originated from Miami, Florida, on September 20, 1998, about 2353 eastern daylight time.

The captain reported to the operator that he was flying the aircraft at the time of the accident. During landing flare he allowed the nose of the aircraft to rise too much in an attempt to prevent the nose landing gear from slamming down. After arriving at the gate he was informed by a flight attendant that they heard a scrapping nose in the tail area of the aircraft during landing. He inspected the aircraft and found a 6 to 8 foot scrape mark on the tail section of the aircraft.

Examination of the aircraft by company maintenance personnel showed the aft pressure bulkhead had a 1-inch depth buckle and that there was a small crack in a frame aft of the aft pressure bulkhead. There was abrasion damage from station 1681.8 to 1720. The lower cap of the aft pressure bulkhead was exposed at station 1720.

Readout of the digital flight data recorder was performed at the NTSB Flight Recorder Laboratory, Washington, D.C., at the request of the Director General Civil Aviation, Bolivia. The pitch attitude of the aircraft during landing flare and touchdown was about 12.5 degrees aircraft nose up.

The investigation is under the jurisdiction of the Government of Bolivia. Any further information pertaining to this accident may be obtained from:

Director General De Aeronautica Civil Government of Bolivia La Paz, Bolivia Telephone: 591-2-391370 Facsimile: 591-2-371347

This report is for information purposes only and contains only information obtained for or released by the Government of Bolivia.

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