|Title:||Uncontained engine failure and fuel tank puncture, Boeing 747-130, August 14, 1995|
|Micro summary:||Uncontained #1 engine failure results in collateral damage in the reserve fuel tank for this Boeng 747-130.|
|Event Time:||1995-08-14 at 1950 EDT|
|Publishing Agency:||National Transportation Safety Board (NTSB)|
|Site of event:||Jamaica, NY|
|Departure:||John F. Kennedy International Airport, Jamaica, New York, USA|
|Destination:||Paris Orly Airport, Orly, France|
|Airplane Type(s):||Boeing 747-130|
|Type of flight:||Revenue|
NTSB short summary:
failure and separation of the #1 engine turbine shroud assembly, which resulted in an uncontained engine failure, a puncture of the #2 outboard reserve fuel tank plate, and a fuel leak.
The flight had reached an altitude of 14,000 feet mean sea level (MSL), when the crew reported a severe vibration in the number 1 engine. The crew shut down the engine, declared an emergency, and returned to the airport. After landing, the airplane was taxied to the gate without evacuating the passengers. Examination of the engine revealed that a turbine shroud had separated and penetrated the turbine exhaust case at the 6 to 9 o'clock position, exited the cowling, and punctured the #2 outboard reserve fuel tank plate. There was a fuel leak, but no fire.
NTSB factual narrative text:
On August 14, 1995, about 1950 eastern daylight time, a Boeing 747-130, N603FF, operated by Tower Air Inc, as Flight 36, had an uncontained engine failure and was forced to return to John F. Kennedy International Airport, Jamacia, New York. The airplane received minor damage, and there were no injuries to the flightcrew or the passengers. Visual meteorological conditions prevailed, and a IFR flight plan had been filed. The flight was being conducted in accordance with 14 CFR Part 121, as a regularly scheduled international air carrier flight.
Flight 36, destined for Paris, France, was on the departure climb and had reached an altitude of 14,000 feet mean sea level (MSL), when the crew reported a severe vibration in the number 1 engine. The crew shut the engine down, declared an emergency, and returned to Kennedy Airport.
At the time of the incident the P&W, JT9D7A engine, was leased by Tower Air, and had 105 cycles since being installed on July 7, 1995.
Examination of the engine revealed a turbine shroud had separated, and penetrated the turbine exhaust case at the 6 to 9 o'clock position, exited the cowling and punctured the #2 outboard reserve fuel tank, plate. There was a fuel leak, but no fire.
There was no evacuation of the passengers. The airplane landed and taxied to the gate.
Numerous attempts were made to secure an NTSB Form 6120.1/2, without success.
|Learning Keywords:||Operations - Deadstick/Power Loss|
|Systems - Engine - Uncontained Engine Failure|
|Systems - Fuel|
|Consequence - Damage - Airframe or fuselage|
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