Narrative:
The aircraft was taking off from runway 27L when the no. 2 engine separated. It fell to the ground 800 feet past the end of the runway. The crew managed to climb to 1000 feet before they initiated a return to the airport for a safe emergency landing on runway 04R.
PROBABLE CAUSE: "Previous damage to the aft cone (engine mounting) bolt, which resulted in mismatched surfaces between the bolt and isolation mount, loss of torque during cyclic loading of the mounting bolt, and subsequent fatigue failure of the bolt."
Forced landing on runway
» NTSB
| Status: | Accident investigation report completed and information captured |
| Date: | Friday 20 January 1989 |
| Time: | 07:45 |
| Type: |  Boeing 737-201 |
| Operator: | Piedmont Airlines |
| Registration: | N242US |
| MSN: | 22444/888 |
| First flight: | 1981 |
| Total airframe hrs: | 19420 |
| Engines: | 2 Pratt & Whitney JT8D-15 |
| Crew: | Fatalities: 0 / Occupants: 6 |
| Passengers: | Fatalities: 0 / Occupants: 27 |
| Total: | Fatalities: 0 / Occupants: 33 |
| Aircraft damage: | Substantial |
| Aircraft fate: | Repaired |
| Location: | Chicago-O'Hare International Airport, IL (ORD) ( United States of America)
|
| Phase: | Takeoff (TOF) |
| Nature: | Domestic Scheduled Passenger |
| Departure airport: | Chicago-O'Hare International Airport, IL (ORD/KORD), United States of America |
| Charlotte-Douglas Airport, NC (CLT/KCLT), United States of America | |
| Flightnumber: | 1480 |
The aircraft was taking off from runway 27L when the no. 2 engine separated. It fell to the ground 800 feet past the end of the runway. The crew managed to climb to 1000 feet before they initiated a return to the airport for a safe emergency landing on runway 04R.
Probable Cause:
PROBABLE CAUSE: "Previous damage to the aft cone (engine mounting) bolt, which resulted in mismatched surfaces between the bolt and isolation mount, loss of torque during cyclic loading of the mounting bolt, and subsequent fatigue failure of the bolt."
Accident investigation:
 |
|
Classification:
Engine separationForced landing on runway
Sources:
» Aviation Week & Space Technology 30 Jan. 1989 (p.71)» NTSB
Follow-up / safety actions
Photos
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Chicago-O'Hare International Airport, IL to Charlotte-Douglas Airport, NC as the crow flies is 958 km (599 miles).
Distance from Chicago-O'Hare International Airport, IL to Charlotte-Douglas Airport, NC as the crow flies is 958 km (599 miles).
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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