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Atlas / NTSB / CHI91LA087

NTSB CAROL · Event

Event CHI91LA087

1991-01-25 INDIANAPOLIS, Indiana, United States Airport · IND Serious 1 aircraft Status: Completed

Registry · N815AA

FAA Aircraft Registry record.

Make / Model

BOEING 787-8

Year of manufacture

2016

Engine

GE GENX-1B70/P2

Seats / Engines

260 seats · 2 engines

Last airworthiness date

20160521

ADS-B equipped

Yes — Mode-S AB1BF0

Registrant of record

AMERICAN AIRLINES INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

THE PILOT'S FAILURE TO USE PROPER PROCEDURES AND THE IMPROPER USE OF THE THROTTLES.

Factual narrative

AMERICAN FLIGHT 323 (AA323) TAXIED TO THE HOLD SHORT LINE FOR RUNWAY 23R. IN AN ATTEMPT TO CORRECT A STATIC/PRESSURIZATION SYSTEM PROBLEM THE CREW PERFORMED A POWER RUN-UP. THE JET BLAST CONTACTED AND MOVED A NORTHWEST DC9 (NW878) WHICH WAS PARKED AT GATE A7, BEHIND AND PERPENDICULAR TO AA323. THE MOVEMENT OF THE AIRPLANE RESULTED IN AN EXTERNAL HEATER HOSE DISCONNECTING FROM THE AIRPLANE. A 15 LB METAL COUPLING ON THE END OF THE HOSE STRUCK A MECHANIC WHEN IT DISCONNECTED. THE MECHANIC WAS HOSPITALIZED WITH INTERNAL INJURIES. THE CREW OF AA323 REPORTED BEING UNAWARE OF THE CLOSE PROXIMITY OF NW878. AA323 DID NOT REQUEST OR OBTAIN A CLEARANCE TO PERFORM THE RUN-UP IN THE UNAUTHORIZED AREA. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_CHI91LA087.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗