by Richard W. Essary
75th Air Base Wing Public Affairs
3/26/2014 - HILL AIR FORCE BASE, Utah -- The Ogden Air Logistics Complex here completed the Air Force's first organic depot modifications on an F-35 Lightning II.
The F-35A variant aircraft arrived at Hill AFB in mid-September 2013 and
received four structural modifications intended to strengthen areas of
the aircraft and extend its service life.
Maj. Gen. H. Brent Baker Sr., the Ogden ALC commander, credited the
phenomenal teamwork that occurred between the Ogden ALC, Lockheed Martin
and the F-35 Joint Program Office for successfully completing the
modifications.
"It was a team effort with the Ogden ALC providing the touch labor and
Lockheed Martin providing engineering support," Baker said.
The aircraft departed March 25, 2014, for Nellis AFB, Nev., where it will undergo continued operational testing.
Baker said this first F-35 aircraft was what's called a prototype
modification aircraft because in the process of outfitting the
modifications, the depot was also able to solidify its technical
processes.
This was the first time the Ogden ALC accomplished depot work on the
aircraft, and new and improved ways of doing the modifications were
discovered. In the end, each of the findings will formally be rolled
into improving the existing technical guidance, Baker said, which will
be used for subsequent F-35 repairs.
More than 30 Ogden ALC maintainers and 17 Lockheed Martin engineers and
production staff accomplished the modifications under the umbrella of a
public-private partnership.
"When it comes to Air Force depot maintenance on the F-35, the vast
majority of the learning and experience is happening right here at the
Ogden ALC," Baker said.
The first of the four structural modifications made to the aircraft
included a root rib modification, which replaces a section of the
aircraft's wing root rib with a titanium splice. The other
modifications, also structural, involved a station 3/9 modification, a
mid-fairing fitting and a forward engine mount modification, all of
which are intended to extend the life of the aircraft.
The process concluded with a series of functional check flights to
ensure the modifications were performed correctly and that other systems
on the aircraft unrelated to the changes were not disturbed.
The Ogden ALC received its second Joint Strike Fighter aircraft, a Dutch
F-35, on Feb. 14. A third U.S.-owned jet arrived on March 15.
The Dutch aircraft is expected to undergo three of the four
modifications performed on the first aircraft before it returns to Eglin
AFB, Fla., for more operational testing this summer. It will not get
the engine mount modification but is receiving a major modification to
the fuel boost pumps.
This second aircraft is more of a validation/verification aircraft,
Baker said, which means that while it's getting the planned
modifications, the skilled artisans who work on the aircraft will
continue to validate and verify that the formalized technical guidance
is 100 percent accurate.
The Ogden ALC is expected to perform a series of modifications on a
total of six aircraft this fiscal year. Eight F-35s are expected to be
inducted into the depot in fiscal 2015.
Baker said it took more than two years to prepare the Ogden ALC for this
new F-35 depot work and as workload increases, manning is also expected
to increase.
The F-35 is important for the Air Force and Hill AFB, Baker said,
because the F-35 will eventually be the heir to the F-16 Fighting Falcon
and the A-10 Thunderbolt II. The Ogden ALC already performs depot
maintenance, repair, overhaul and modification on the F-16 and A-10.
"It is exciting to see this entire plan come to fruition and work on the
aircraft," Baker said. "It has been incredibly rewarding for the team."
Thursday, March 27, 2014
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