MIA00LA271

NTSB accident investigation · Boeing 777-223 · Miami, FL · September 26, 2000

Accident · Serious injuriesLimited investigationFinal report
Date
September 26, 2000, 05:40 local (09:40 UTC)
Place
Miami, FL
Injuries
1 serious, 167 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N789ANBoeing 777-223
Weather
Visual (VMC) · Night/dark
Status
Completed · report July 2, 2001
Report
Approved by Office Director
FAA report
20000926015509A
Case key
50338

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

an in-flight encounter with turbulence.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight encounter with weatherDescent - normal
Weather condition - turbulence in cloudsCause

Analysis

While descending out of FL190 to 10,000 feet and maneuvering around weather cells, about 60 miles southeast of the airport, the flight encountered severe turbulence. A passenger that was exiting a lavatory fell and broke a leg. At the time of the accident the seat belt sign was 'ON' and the passengers had been instructed to remain in their seats with seat belt fastened. The flight landed without further incident.

Factual narrative

On September 26, 2000, about 0540 eastern daylight time, a Boeing 777-223, N789AN, call sign AAL908, operated by American Airlines Inc., encountered severe turbulence while descending for approach to Miami International Airport (MIA), Miami, Florida. Visual meteorological conditions prevailed at the time, and an instrument flight plan was filed for the 14 CFR Part 121 regularly scheduled international flight. The airplane was not damaged. The flightcrew of 3, 12 flight attendants, and 152 passengers reported no injuries. One passenger reported serious injuries. The flight had departed Buenos Aires, Argentina International Airport, en route to Miami, Florida, at 2213, September 25, 2000.

The flight was descending out of FL190 to 10,000 feet and was maneuvering around weather cells, at a location about 60 miles southeast of Miami, when it encountered severe turbulence. A passenger that was exiting a lavatory fell and broke a leg. At the time of the accident the seat belt sign was "ON" and a passenger arrival announcement had been made instructing the passengers to remain in their seats with seat belt fastened. The flight landed at Miami without further incident.

Aircraft

Registration
N789AN
Reported as
Boeing 777-223
Category
Airplane
Serial number
30252
Airframe hours
1,003
Engine
Rolls-Royce TRENT 892, turbo fan
Damage
No damage
Flight
Part 121
Registered owner
Amr
Airworthiness certificate
Standard, Transport
Departed
EZE · Buenos Aires, OF
Destination
MIA · FL
Flight plan
IFR
Airport
MIA · Miami International

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
58
Certificates
Airline transport, Flight instructor
Airplane ratings
Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left

Weather

Conditions
Visual (VMC) · Night/dark
Wind
350° at 13 knots
Visibility
10 statute miles
Lowest ceiling
5,000 ft broken
Temperature
66 °F, dew point 59 °F
Altimeter
29.00 inHg
Observed at
MIA, 60 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N789AN · 2

Matched to the same aircraft by N-number and date.