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Non Destructive Technicians use fluorescent penetrant baths and ultrasound equipment to test for stress crack in metal parts before installation of them on the aircraft.

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These mechanics are in charge of maintaining the structural components of the aircraft. They work with blades or any part of the body of the aircraft.

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Powerplant Mechanics are responsible for refurbishing engines of the aircraft once they are removed.

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Hydraulic mechanics remove and repair old parts like packings and orings off of aircraft parts. They are also responsible of testing the components with pressurized fluid to check for leaks after repair.

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The workcenter supervisor is basically the shift supervisor. They are in charge of communication with production control and leaving a passdown to the next workcenter supervisor on shift. They are also in charge of the well being of the technicians under them and making sure they are informed with what task they should be focused on completing.

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Tool Control consists of having a log of all your tool etched individually by what workcenter they belong to and where they are stored. An ATAF log must be signed in the beginning of shift and end of shift to ensure accountability of all tools.

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a PM is a periodic maintenance. This can be done on the Aircraft or Support Equipment used to service the aircraft. These are considered inspections to mitigate any mishaps and to conserve the integrity of the Aircraft, equipment used and tools.

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A CDI is a collateral duty inspector that is a seasoned technician that has taken a test in Quality Control to become and extension of QC in the work center. They are the front line when it comes to making sure that every maintenance task is done correctly and in a safe manner.

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FOD is the abbreviation for Foreign Object Debris. This could be anything that doesn't belong on an aircraft at the time of flight that could cause damage or worst. Some examples are metal shavings, loose nuts, loose bolts, or unaccounted for tools.

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OJT is the abbreviation for On The Job training. There's times on the job specifically reserved for training and to bring awareness to correct maintenance practices in the aviation community.

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The FAA is the Federal Aviation Association, it is the largest transportation government agency that oversees all aspects of civil aviation in the country.

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An A&P License is an Aircraft and Powerplants License. This license certifies that a mechanic is given authorization by the FAA to perform maintenance duties on an Aircraft.

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Source cards are attached to a specific aircraft and identifies all maintenance done on the aircraft and individual parts.

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A S/N# is a serial number that is attached to an individual part and follows it during it's lifespan. This is used also to document a parts specific flight hours and maintenance done on that part.

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A PN# is a part number that identifies a part by giving it a sequence of numbers that can be searched in the system.

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Production Control is a department that oversees all maintenance operations and prioritizes work by importance and alleviates planning for the maintenance division so maintenance division can focus on maintaining and working with parts.

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Quality control is a department that ensures that all maintenance operations are done in a safe and timely manner. Safety is paramount and quality control is there to be the eagle eye over the maintenance division.

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A MM is a Maintenance Manual that is used to work on parts that are removed for repair. In the maintenance manual you will find how to inspect, troubleshoot, disassemble, and assemble parts to return them to safe for flight status.

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This abbreviation stands for Type/Model/Series. When a part is requires maintenance, it pivotal to know which aircraft it comes from to choose the correct maintenance manual for instructions on maintenance.

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This abbreviation stands for "All tools accounted for." It's essential in the Aviation Maintenance community to have accountability of all tools so nothing is left on the plane before, during, and after maintenance to maintain safety during flights.