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NTSB to probe UPS plane maintenance history

Safety investigators in the United States said Thursday that they are investigating the maintenance history for a UPS cargo aircraft which was in Texas weeks before it crashed in flames on Tuesday in Louisville, Kentucky. At least 13 people were killed.

National Transportation Safety Board said that as the MD-11's left wing rolled down the runway at Louisville Airport, a large plume of smoke erupted and one of three engines detach from this wing.

Flight tracking data shows that the plane was parked in San Antonio, Texas from September 3 until October 18.

Todd Inman, a member of the NTSB, told reporters Thursday that he was aware that the aircraft had been in San Antonio. He did not give a timeframe. "We will examine every maintenance item, from San Antonio time to the date of flight," Inman said.

ST Engineering of Singapore, which claims to provide airframe maintenance to UPS's MD-11 aircraft, and to operate a repair facility at San Antonio, has declined to comment, but stated that it will fully cooperate with the relevant authorities if they contact it.

Federal Aviation Administration records from September 18 indicate that a crack in a structural part inside the fuel tank on the center wing needed to be repaired.

UPS sent all inquiries to the NTSB as per standard procedure in air crash investigations.

On Thursday, the cargo giant named the pilots who operated the flight as Captain Richard Wartenberg First Officer Lee Truitt and International Relief Officer Capt. Dana Diamond. The crash killed all three.

There is no evidence to suggest that the crash of a freighter headed for Honolulu was caused by poor maintenance. The plane crashed into a number structures outside the airport grounds, killing at least 10 on the ground.

A crash in the air is usually caused by a number of factors. The preliminary report should be expected within 30 days.

The NTSB reported that the two "black boxes" of the plane, the cockpit voice recorder (CVR) and flight data recorder (FDR), had been successfully downloaded and a transcription of the cockpit conversation is being prepared.

Inman stated that the NTSB has no immediate concerns regarding the MD-11 program as a whole, which Boeing owns since the 1997 merger between McDonnell Douglas and Boeing. FedEx and UPS operate about 50 MD-11 cargo planes worldwide.

On Thursday night, Louisville Mayor Craig Greenberg announced on the social media site X that there were now 13 deaths.

He told reporters earlier in the day that investigators were still searching the wreckage for clues, and possibly victims.

Greenberg stated that there was so much charred metal and mangled metal, it is possible that the bodies have not been found. (Reporting and editing by Jamie Freed in Montreal, Allison Lampert)

(source: Reuters)