19990729017619A

(.19) On July 29, 1999, about 1500 Alaska daylight time, a Boeing 747-268B airplane, N707CK, had an uncontained engine failure during climb-out from the Anchorage International Airport, Anchorage, Alaska. The flight was being conducted under title 14, CFR part 121, as a nonscheduled international cargo flight, operated by kitty hawk international, inc., as flight 11281. T here were no injuries to the five crewmembers aboard. Visual meteorological conditions prevailed at the time of departure from Anchorage, and an instrument flight plan had been filed for the flight to bangkok, thailand. During an interview with the national transportation safety board (NTSB) investigator-in-charge on July 30, a company quality assurance official stated that about 20 minutes after departure, the crew noted a loud "thump," followed by a change in number three engine instrument indications. He said that one of the crew memebers went to the back of the airplane to visually check the status of the engine, and noted there was a "fist-sized hole in the side of the engine cowling." The quality assurance official stated that the captain shut down the number three engine, returned to Anchorage internationalairport, and landed without further incident. A postaccident inspection revealed that the inboard aileron sustained substantial damage. (-23) the aircraft departed Anchorage on 07/29/99 at 2324 zulu (1524 local). 21 minutes into the climb at 29,000 feet the #3 engine experienced an uncontained failure. The crew shut down the engine and returned to Anchorage. Maintenance inspected the #3 engine and found a hole in the engine cowling and damage from the uncontained failure to the r/h horizontal stabilizer leading edge, r/h aileron, r/h inboard flap leading edge, r/h landing gear door and a belly fairing. Temporary repairs were made to the aircraft and the aircraft was prepared for a ferry flight and flown to oscoda, Michigan. The NTSB is investigating the cause of the engine failure at the oscoda maintenance facility. (.4) on July 29, 1999, about 1500 Alaska daylight time, a Boeing 747-268B airplane, N707CK, had an uncontained engine failure during climb-out from the Anchorage International Airport, Anchorage, Alaska. The flight was being conducted under title 14, CFR part 121, as a nonscheduled international car go flight, operated by kitty hawk international, inc., as flight 11281. There were no injuries to the five crewmembers aboard. Visual meteorological conditions prevailed at the time of departure from Anchorage, and an instrument flight plan had been filed for the flight to bangkok, thailand. During an interview with the national transportation safety board (NTSB) investigator-in-charge on July 30, a company quality assurance official stated that about 20 minutes after departure, the crew noted a loud "thump", followed by a change in number three engine instrument indications. He said that one of the crew members went to the back of the airplane to visually check the status of the engine, and noted there as a "fist-sized hole in the side of the engine cowling." The quality assurance official stated that the captain shut down the number three engine, returned to Anchorage International aiport, and landed without further incident. A postaccident inspection revealed that the inboard aileron sustained substantial damage.