Defense

May 10, 2017
 

Board finds lapse in maintenance procedures contaminated VC-25A oxygen system

af-accident-report
Contractor mechanics failed to follow proper maintenance procedures leading to the contamination of the oxygen system on an Air Force VC-25A aircraft undergoing regular heavy maintenance, according to an Accident Investigation Board report compiled by Air Force Materiel Command.

The contamination occurred in April 2016 while the plane was at Boeing’s Port San Antonio facility in Texas. The mishap resulted in approximately $4 million in damage, which Boeing repaired at its own expense.

The VC-25A, one of two specially configured Boeing 747-200B aircraft, is flown by the 89th Airlift Wing at Joint Base Andrews, Md., and is used to transport the President. When the President is on board, the plane is referred to as Air Force One.

According to the report, three Boeing mechanics contaminated the aircraft’s oxygen system by using tools, parts, and components that did not comply with cleanliness standards while checking oxygen lines for leaks. The contamination was discovered after an unapproved regulator was found connected to the passenger oxygen system.

The report also identified other contributing factors to the mishap, including the failure of a Boeing maintenance technician to observe explicit cautions and warnings when working on oxygen systems, Boeing’s failure to exercise adequate oversight of the quality of maintenance being performed on the VC-25, and the failure of mechanics to “absorb and retain” training received on oxygen systems.

Gen. Ellen M. Pawlikowski, Air Force Materiel Command commander, convened the AIB. Brig. Gen. Carl Buhler was the AIB president. The primary purpose of the board was to investigate the cause and substantially contributing factors of the mishap and provide a publicly releasable report of the facts and circumstances surrounding the incident.

The executive summary of the report is available at https://media.defense.gov/2017/May/09/2001744177/-1/-1/1/AFD-170509-335-001.PDF.




All of this week's top headlines to your email every Friday.


 
 

 

Headlines – January 14, 2019

News Plan calls for U.S. troop pullout from Syria to take months, bringing hundreds more troops in to assist – The U.S. military said Jan. 11 it has started taking steps to meet President Donald Trump’s demand for a complete military withdrawal from Syria. The announcement fueled concern about how quickly the U.S. will abandon...
 
 

News Briefs – January 14, 2019

Turkey says its Syria offensive doesn’t hinge on U.S. pullout Turkey’s foreign minister says a planned Turkish military offensive against U.S.-allied Kurdish fighters in northeast Syria doesn’t depend on whether the United States withdraws its troops from the region. Mevlut Cavusoglu said in an interview with NTV news channel on Jan. 10 that Turkey would...
 
 
NASA photograph

Dragon back on earth as crew revs up ISS science

NASA photograph International Space Station Configuration. Four spaceships are parked at the space station including the Northrop Grumman Cygnus resupply ship and Russia’s Progress 70 and 71 resupply ships and the Soyuz M...