- Date
- July 23, 1971
- Place
- Chicago, IL · CHICAGO, IL
- Injuries
- 1 serious, 4 minor, 194 uninjured
- Damage
- Minor damage
- Phase of flight
- Taxi
- Aircraft
- N4713UBoeing 747
- Status
- Completed · report January 3, 1972
- Report
- Brief approved by the director
- Case key
- 161218
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 1-0017 71/7/23 CHICAGO,ILL BOEING 747 CR- 0 0 15 SCHED DOM PASSG SRV AIRLINE TRANSPORT, AGE TIME - 1305 N4713U PX- 0 1183 57, 25956 TOTAL HOURS, DAMAGE-MINOR OT- 0 0 0 172 IN TYPE, INSTRUMENT RATED. NAME OF AIRPORT - OHARE INTL OPERATOR - UNITED AIR LINES,INC. DEPARTURE POINT INTENDED DESTINATION LOS ANGELES,CALIF CHICAGO,ILL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION TAXI: FROM LANDING FIRE OR EXPLOSION: ON GROUND TAXI: FROM LANDING PROBABLE CAUSE(S) POWERPLANT - THRUST REVERSER: OTHER MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE MISCELLANEOUS ACTS,CONDITIONS - OVERHEATED PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE REMARKS- NR 2 ENG STAYED IN REVERSE.OHEATED NR 1 AND 2 ENGS.CREW FAILED TO DETECT.PAX INJ DURING EVAC.
Aircraft
- Registration
- N4713U
- Reported as
- Boeing 747
- Category
- Airplane
- Engine
- turbo fan
- Damage
- Minor damage
- Airport
- Ohare Intl