AIRCRAFT ENGINE MECHANIC

Summary

Opened Area(s) of Consideration: 1, 2, 3 DEFINITION OF AREA(S) OF CONSIDERATION: Area 1 - AKNG Permanent or Indefinite technicians. Area 2 - All AKNG members. Area 3 - All other current military members who are eligible to join the Alaska Air National Guard. PDCN: D1636000 MPCN: 3400888489 Selecting Supervisor: Robert V. Dubinsky

Duties

• Removes, installs, certifies, repairs, modifies, overhauls, and installs turboprop engines, reduction gear boxes, turbine modules, compressor modules, auxiliary power units, propellers and related propeller components as required. Performs maintenance on all propulsion systems including troubleshooting and diagnosing defects, certifying, conducting bench checks, performing in-shop and on-equipment repairs and overhauls. Diagnoses malfunctions using computerized test equipment, schematic diagrams, technical publications and performs the appropriate repair according to the test results and analysis. Determines the extent of disassembly necessary to repair, overhaul, replace and certify all engine, propeller and auxiliary power unit parts. Cleans and inspects engine and propeller component parts such as turbines, gearboxes, blades, gears, bearings, etc. Assembles engines, propellers and auxiliary power units, adhering to prescribed procedures, torque values, safety methods and clearances. Troubleshoots propellers using electric and hydraulic test stands to check for proper operation and evidence of oil leakage. Operationally checks engines and propeller assemblies and auxiliary power units, by using the engine test cell facility to meet all full power run checks on the engine and propeller assemblies and auxiliary power units. Modifies engines, propellers, auxiliary power units, and components in accordance with Time Compliance Technical Orders (TCTO) directives; removes and installs engine quick change kits; prepares engines for installation and installs engine and propeller assemblies on aircraft. Evaluates technical problems of repair, overhaul, modification and installation of aircraft propulsion systems. Solves all types of maintenance problems and performs bench checks and test engine and propeller assemblies for serviceability. Performs operational checks of installed propellers, engines, auxiliary power units and sub-systems during aircraft maintenance ground runs in accordance with approved checklists. Employs test equipment such as computer borescope, fuel pressure gauges, air pressure gauges, and alignment fixtures. Utilizes special tools and precision measuring equipment, high-pressure hydraulic test equipment, and electronic test equipment. Performs isochronal and special evaluations on engines, propellers and auxiliary power units. Interprets certification findings and determines adequacy of corrective action. Certifies installed and repaired engines for compliance with technical publications. Performs fixed and mobile test stand functions (which may include maintenance of engine test cell facility); installs special test equipment; performs pre-operational and post operational checks. Operates engines and propellers and records test data. Operates, certifies, and maintains computerized engine test/trim automated systems (ETTAS) on the engine test cell. Evaluates, identifies and corrects problems on propeller and engine components causing vibration or impending failure using the ETTAS system, and vibration analyzer. Evaluates engine and propeller performance by computing engine torque and specific fuel consumption. Monitors engine RPM and turbine inlet temperatures. Evaluates engine and propeller performance and accepts or rejects the individual components. Removes engine and propeller from test stand and prepares units for aircraft installation or storage. Accomplishes operator maintenance on the aircraft and engine sound suppresser facility, test stands and various pieces of ground equipment, including the auxiliary power unit test cell. Performs dynamic propeller balancing and tests the propeller integrated synchophasing. Tests variable potentiometers, servo-motors, indicators and aircraft wiring. Performs aircraft full power runs and complete engine and propeller efficiency checks. Clears Red X symbol documentation on engine and propeller related components.(6) Prepares man-hour data collection and required forms for input into the Core Automated Maintenance System (CAMS) or the G081 (AFI 22-2101, CAMS for Mobility). Reviews and assists in maintaining Technical Orders (TOs) and other technical publications and directives pertinent to the element. Maintains bench stock, parts, and equipment. Provides on-the-job training for assigned personnel. Plans and conducts formal classes of instruction in techniques of repair and maintenance of aircraft engine, propeller, auxiliary power unit, and related equipment and in the use of diagrams, blueprints, wiring schematics and technical publications. Prepares for and participates in various types of readiness evaluations such as Operational Readiness Inspections, Inspector General and Unit Evaluation Inspections, mobility, and command support readiness inspections, mobility, and command support exercises. Performs other duties as assigned.

Qualifications

GENERAL EXPERIENCE is experience or training that has provided the ability to perform assembly and disassembly operations and make prescribed modifications to aircraft engines, engine assemblies, and accessories in accordance with technical specifications, procedures, and requirements. Experience using hand and power tools common to the trade. SPECIALIZED EXPERIENCE is experience which is directly related to the position to be filled and which has equipped you with the particular knowledge, skills and abilities to successfully perform the duties of this position. WG-10 - Must have at least 18 months of experience or training performing standard, routine assembly and disassembly operations and making prescribed modifications to aircraft engines, engine assemblies, and accessories. Experience or training performing maintenance overhaul, troubleshooting, testing, and repair of aircraft engines, engine components, and powertrains for fixed and/or rotary wing aircraft. Experience determining maintenance needed from work orders, inspection reports, historical records, and diagnosis. EXPERIENCE REQUIREMENTS: Resume must have complete dates and hours worked per week for each occurrence of both civilian and military employment (Example: 2 JAN 1980 to 3 MAR 1981; 0800-1630 M-F or JAN 1980 to MAR 1981; 40 hrs/wk) Use of year only will result in disqualification. The duties listed must fully substantiate -in your own words- that you meet the minimum requirements and specialized experience listed above, in detail; otherwise, you will not be considered qualified for this position. Length of time is not of itself qualifying. Your experience will be evaluated on the basis of duties performed. Your record of experience and/or training must show possession of the following knowledge, skills and abilities needed to fully perform the duties of the position: - Knowledge of mechanical, hydromechanics, electrical, electronic, and pneudraulic principles and systems, that apply to turboprop engines and propellers. - Skill in the interpretation and use of technical orders and manuals, manufacturers' specifications, factory engineering bulletins, flow charts/wiring diagrams and other related technical guidance. - Skill in troubleshooting, diagnosing defects, certifying, conducting bench and operational checks, disassembly, repairing, modifying, testing, cleaning, assembly and installation of turboprop engine and propeller systems, sub-systems and components such the integrated synchrophasing system, reduction gear box, torque meter assembly, fuel scheduling system and electrical components and control assemblies. - Skill in the use of test equipment such as computer borescopes, fuel gauges, air gauges, and alignment fixtures; special tools and precision measuring equipment; high pressure hydraulic test equipment; dynamic propeller balancing equipment; and engine vibration analyzers. - Skill in operating and maintaining the engine test/trim automated system (ETTAS) on the engine test cell to evaluate, identify and correct propeller and engine components causing vibration or impending failure.

How to apply

To apply for this position, you must complete the online application and submit the documentation specified in the Required Documents section below. A complete application package must be submitted by 11:59 PM (EST) on the closing date of the announcement to receive consideration. • To begin, click Apply to access the online application. You will need to be logged into your USAJOBS account to apply. If you do not have a USAJOBS account, you will need to create one before beginning the application. • Follow the prompts to select your resume and/or other supporting documents to be included with your application package. You will have the opportunity to upload additional documents to include in your application before it is submitted. Your uploaded documents may take several hours to clear the virus scan process. • After acknowledging you have reviewed your application package, complete the Include Personal Information section as you deem appropriate and click to continue with the application process. • You will be taken to the online application which you must complete in order to apply for the position. Complete the online application, verify the required documentation is included with your application package, and submit the application. To verify the status of your application, log into your USAJOBS account (https://my.usajobs.gov/Account/Login), all of your applications will appear on the Welcome screen. The Application Status will appear along with the date your application was last updated. For information on what each Application Status means, visit: https://www.usajobs.gov/Help/how-to/application/status/.