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A team of Fleet Readiness Center East (FRCE) materials engineers recently extended a helping hand to their colleagues in the Coast Guard to help them solve a puzzling organic coating removal problem.
FRCE’s Materials Engineering Division is responsible for the materials and processes that affect an aircraft’s surfaces, such as bonding, painting, stripping and corrosion prevention. Engineers usually support aircraft maintainers in FRCE’s production shops or in Navy or Marine Corps fleet units around the world. Recently, engineering personnel at the U.S. Coast Guard’s Aviation Logistics Center (ALC) in Elizabeth City, North Carolina, reached out to FRCE for help on removing organic coatings from aircraft parts.
The ALC’s environmental protection processes allow the use of certain chemical strippers to remove coatings from aircraft parts, but they were not always effective at chemically removing coatings from parts. To further complicate the issue, maintenance manuals state that other paint removal methods like blasting or sanding cannot be used on parts that require non-destructive inspections for cracks after stripping, according to Chief Warrant Officer 3 Hayward Workman, Industrial Operations Division Engineering Support Branch chief.
“Often, the technical manuals we use will state chemical stripping only, which means we can’t use sanding, because you don’t want to remove material. You don’t want to blast with plastic media because it can leave traces of the coating and the media, which can get embedded and reduce detection of cracks or defects in the part,” said Workman. “Chemical stripping was the only way to remove the coating and be in accordance with the procedures, but it was impossible with the kind of strippers that were available at the ALC. That’s when I reached out for help from FRCE.”
Workman contacted Chris Gladson, Materials and Processes Branch head at FRCE, for suggestions on how to solve this dilemma. Gladson invited Workman and his team to tour the paint stripping facilities at FRCE and to brainstorm on solutions to the Coast Guard’s problem. FRCE and ALC were using similar methods of paint stripping, but differences in Coast Guard and Navy regulations allowed FRCE artisans to generate a higher throughput than those at ALC, Gladson said.
FRCE has a long record of environmental stewardship, and its aviation maintenance policies and procedures reflect that commitment to environmental compliance. Workman presented the information he received at FRCE to ALC safety and engineering teams to justify the conclusion that more aggressive stripping agents could be used safely and effectively to remove the more resistant coatings from parts. The ALC adopted similar procedures and safety equipment to that used at FRCE to ensure that the stripping agents were used in a safe and environmentally sound manner.
“We set up ventilated booths and containment areas to capture the more aggressive stripper so it could be sent off to be disposed of safely,” Workman said. “We use the milder chemicals when we can, but we have two designated booths available when the coatings require the more aggressive chemical to remove them.”
In the time it took to establish the new procedures and acquire the necessary equipment, Workman said the Coast Guard facility developed a backlog of more than 60 parts that needed to be chemically stripped before they could be inspected and repaired at the ALC. Once again, FRCE was able to assist by helping ALC catch up with demand.
Linda Holton, business office operations specialist in the FRCE Workload Acceptance Branch, works as a liaison between FRCE and the fleet units that may unexpectedly need its services. She helped the ALC arrange for FRCE’s assistance with the backlogged parts.
“Although FRCE’s workload is planned out far in advance, occasionally a fleet unit will need assistance on an emergent basis. That’s when they reach out to us,” Holton said. “Our team communicates with the planners and the supervisors to ensure the emergent parts can fit in with the regular planned work. We get a lot of satisfaction from helping the fleet units when they need us most.”
Gladson said the Small Clean Shop at FRCE was able to prioritize the Coast Guard’s workload and help them get back on track.
“We had three or four artisans out of our paint stripping shop working on these parts as they came in, and a couple of engineers and I pitched in as well,” Gladson said. “The extra manpower assisted Coast Guard personnel in clearing the backlog in an efficient manner. We were really glad to be able to help.”
Workman and Gladson both said the benefits of cooperation between the Coast Guard and Navy depots go beyond a one-time project, as each facility can learn from the other.
“Recently, when we run into problems or try something new, I can reach out to the Materials and Processes Branch, and the FRC already has the procedures and has experienced what we’re experiencing,” Workman said. “The team has shared how they’re doing it and let us look at their local procedures. Basically, it keeps us from having to start over from scratch by seeing what’s working for them.”
Gladson agreed the relationship has been mutually beneficial.
“In the engineering world, we talk about having communities of interest,” Gladson said. “We’ve been able to add the Coast Guard to our community of interest, whether it is corrosion technologies, paint stripping or paints in general. It’s good to have those contacts, so they can feed information to us and we can feed information to them.”
FRCE is North Carolina’s largest maintenance, repair, overhaul and technical services provider, with more than 4,000 civilian, military and contract workers. Its annual revenue exceeds $1 billion. The depot provides service to the fleet while functioning as an integral part of the greater U.S. Navy; Naval Air Systems Command; and Commander, Fleet Readiness Centers.
John Olmstead, Fleet Readiness Center East Public Affairs Officer 252-464-9111
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