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Aviation Electronics Technician First Class > Cleaning and Corrosion Control Vol. III Ch. 10 > Flashcards

Cleaning and Corrosion Control Vol. III Ch. 10 Flashcards

1
Q

What is the goal of the Emergency Reclamation Team?

A

To accomplish the necessary salvage operations after an aircraft accident.

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2
Q

Who designates the Emergency Reclamation Team Leader?

A

Reporting Custodian

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3
Q

What are the duties of the ERT Leader?

A

Organize and Supervise the ERT. Select and Direct additional personnel if required.

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4
Q

Who directs the ERT to accomplish salvage operations or corrosion control actions?

A

Maintenance Control

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5
Q

Who is contacted for fire damage incidents and why?

A

Materials Engineering Division. They determine the effects of heat or excessive salt water contamination prior to continued use or repair of effected parts or components.

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6
Q

What type of equipment takes removal priority during emergency procedures?

A

Avionics equipment known to contain magnesium

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7
Q

In the event of an aircraft mishap, what is reclamation of aircraft secondary to?

A

Reclamation of the aircraft is secondary to preserving evidence necessary to support the Accident Investigation Board and associated engineering investigations

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8
Q

In aircraft accidents, whose permission must be granted prior to initiating emergency procedures?

A

Senior Member of the Accident Investigation Board

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9
Q

Who is responsible for preparing or having access to a list of equipment indicating removal procedures?

A

The Maintenance Officer

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10
Q

Who screens and determines if the Intermediate Maintenance Activity has the capability to execute further reclamation on Avionics equipment?

A

The IMA Emergency Reclamation Team Leader (Officer) and Maintenance Control Officer.

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11
Q

What shall be done to Repairable Equipment damaged beyond capability of local repair?

A

Equipment damaged beyond capability of local repair shall be Cleaned, Preserved, Packaged, Tagged, and forwarded to the appropriate maintenance repair facility.

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12
Q

What shall Avionics equipment be inspected for prior to packaging and shipment?

A
  • Extent of damage
  • Local Repair Capability
  • Cleaning method
  • Drying method
  • Preservation method
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13
Q

How should equipment that is being shipped to corresponding maintenance repair facilities be tagged?

A

Equipment shall be tagged using Water/Crash/Fire Damage Tag (DD Form 1577-3) and indicate type of Cleaning, Drying, and Preservation method used.

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14
Q

What should be affixed on the outside of shipping containers of units being shipped to appropriate maintenance repair facilities?

A

Water/Crash/Fire Damage Label NAVAIR 4035/13

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15
Q

What are the different Equipment classifications that apply to Cleaning Priority and Procedures?

A
  • Equipment cleaned at the Organizational/Unit Maintenance Activity
  • Equipment NOT cleaned at the Organizational/Unit Maintenance Activity
  • Equipment to be put back into Service
  • Equipment to be sent to Depot for processing
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16
Q

What is the Cleaning Priority and Procedure for Equipment cleaned at the Organizational/Unit Maintenance Activity?

A

Equipment shall begin the Disassembly Inspection Procedures.

17
Q

What is the Cleaning Priority and Procedures for Equipment NOT cleaned at the Organizational/Unit Maintenance Activity?

A
  1. Use the Specific Treatment Procedures
  2. If specific procedures are not available, use the Primary Cleaning method
    (Use Alternate cleaning method if fresh water is not available).
  3. Inspect Equipment using Disassembly Inspection Procedures
18
Q

Describe the steps of the Disassembly Inspection Procedures?

A
  1. Remove Corrosion Preventative Compounds with Degreasing Solvent or Non-Aqueous Cleaner to facilitate inspection.
  2. Remove all covers, access panels, modules, and normally removed components.
  3. Examine the individual items thoroughly for evidence of salt water, fire extinguishing agents, smoke, oil films, heat and fire damage.
  4. Examine the individual items for evidence of corrosion.
  5. Disassemble and examine electrical connectors and components.
19
Q

What shall be done with items that show NO signs of damage or corrosion?

A

Items that show NO sign of damage or corrosion shall be functionally checked and be put back in service.

20
Q

What shall be done with items that exhibit damage?

A

Items that exhibit damage shall be repaired or preserved, packaged, and sent to the appropriate maintenance repair facility.

21
Q

What are the steps in the Primary Cleaning Method for removing salt water?

A
  1. Flush internal and external area with clean water. If possible, immerse components thoroughly in clean fresh water.
  2. Blow off excess water with not more than 10 psi air pressure or dry nitrogen.
  3. If visual evidence of salt remains, a Second Cleaning Action shall be accomplished.
  4. Blow off excess water as specified.
22
Q

What is the Second Cleaning Action of the Primary Cleaning Method?

A

Mix One part Aircraft Cleaning Compound to Fourteen parts water, Apply, Scrub (soft bristle brush, sponge, or cloth), Flush, & Drain.

23
Q

When is the Primary Cleaning Method used?

A

The Primary Method for removing salt water shall be used when a sufficient quantity of fresh water is available.

24
Q

How many Alternate Cleaning Methods is there?

A
  1. Solvent Method
  2. Aircraft Cleaning Compound Method
  3. Water Displacing Method
25
Q

What are the steps in the process for removing Purple K Powder and other Dry Chemical Fire Extinguishing Agents?

A
  1. Vacuum Residue
  2. Brush and Dislodge contaminants with Air Pressure (<10 PSI)
  3. Vacuum Again
  4. Wipe, Brush, or Spray with One Part Aircraft Cleaning Compound (MIL-PRF-85570 Type II), in Fourteen Parts Water.
  5. Rinse Thoroughly with Fresh Water
  6. Dry with cloth, or blow dry with air Pressure (<10 PSI)
  7. Apply Liberal amount of Water Displacing CPC MIL-PRF-81309 Type II.
  8. Enter a notation defining areas and components that have been exposed to residue from burned materials and fire extinguishing agent in the appropriate forms.
26
Q

What are the steps in the process for removing Aqueous Film Forming Foam (AFFF)?

A
  1. Thoroughly flush or submerge components in fresh water
  2. Mix a solution of one pint of AFFF fire extinguishing agent (MIL‑F‑24385) in 10 gallons of fresh water.
  3. Apply Solution to affected area using Pump, Spray equipment, Sponge, or directly.
  4. Keep affected area wet with AFFF for 3-5 Minutes.
  5. Wipe, Brush, or Spray with One Part Aircraft Cleaning Compound (MIL-PRF-85570 Type II), in Fourteen Parts Water.
  6. Rinse Thoroughly with Fresh Water
  7. Dry with cloth, or blow dry with air Pressure (<10 PSI)
  8. Apply Water Displacing CPC MIL‑PRF‑81309 Type III, to all avionic components and electrical connectors.
  9. Liberally apply water displacing CPC MIL‑PRF‑81309 Type II, to all other areas that cannot be properly drained.
  10. Enter a notation defining areas and components that have been exposed to residue from burned materials and fire extinguishing agent in the appropriate forms.
27
Q

What are the steps in the process for removing Carbon Dioxide (CO2) and Halon?

A
  1. Wipe, Brush, or Spray with One Part Aircraft Cleaning Compound (MIL-PRF-85570 Type II), in Fourteen Parts Water
  2. Dry with cloth, or blow dry with air Pressure (<10 PSI)
  3. Apply Water Displacing CPC MIL‑PRF‑81309 Type III, to all avionic components and electrical connectors.
  4. Liberally apply water displacing CPC MIL‑PRF‑81309 Type II, to all other areas that cannot be properly drained.
  5. Enter a notation defining areas and components that have been exposed to residue from burned materials and fire extinguishing agent in the appropriate forms.
28
Q

What are the steps in the process for removing Protein Foam?

A
  1. Thoroughly flush or submerge components in fresh water
  2. Wipe, Brush, or Spray with One Part Aircraft Cleaning Compound (MIL-PRF-85570 Type II), in Fourteen Parts Water
  3. Rinse Thoroughly with Fresh Water
  4. Dry with cloth, or blow dry with air Pressure (<10 PSI)
  5. Apply Water Displacing CPC MIL‑PRF‑81309 Type III, to all avionic components and electrical connectors.
  6. Liberally apply water displacing CPC MIL‑PRF‑81309 Type II, to all other areas that cannot be properly drained.
  7. Enter a notation defining areas and components that have been exposed to residue from burned materials and fire extinguishing agent in the appropriate forms.
29
Q

What is the Specific Equipment Treatment method for Identification/Modification Plates & Hermetically Sealed Avionic Equipment?

A

Primary or Alternate Cleaning Method

30
Q

What is the Specific Equipment Treatment method for Cockpit Area Components, Electric Motors & Generators?

A

Primary Cleaning Method

31
Q

What is the Specific Equipment Treatment method for Switches & Circuit Breakers?

A

Fine spray of fresh water and acid brush, dry with 10 PSI of compressed air for non-removable parts.

32
Q

What is the Specific Equipment Treatment method for Antennas?

A

One part Aircraft Cleaning Compound to Nine parts water, scrub with cleaning cloth, wipe with clean cloth, and air dry

33
Q

What is the Specific Equipment Treatment method for Mounting Racks and Shock Mounts?

A

Remove components and use Primary Cleaning Method

34
Q

What are the steps in the Specific Equipment Treatment method for Non-removable Avionic Equipment?

A
  1. Electrically Ground Aircraft
  2. Turn off all Electrical power, disarm aircraft (ejection seats), & disconnect/remove all batteries.
  3. Remove access panels, equipment, and components.
  4. Clean using Primary Cleaning Method
35
Q

How do you dry Non-removable Avionic Equipment?

A

In most cases the only technique for drying installed, non-removable avionic equipment is through the use of a Hot Air Gun, Raychem HT‑900, or air drying where specified.

36
Q

What is the Specific Equipment Treatment method for terminal boards, junction boxes, relay boxes, and circuit breaker panels?

A

Primary Cleaning Method and dry with hot Air Gun, Raychem HT‑900 or equivalent.

37
Q

What is the Specific Equipment Treatment method for electrical connectors and receptacles?

A

Disconnect, disassemble, rinse with fresh water, blow excess water with less than 10 PSI, and dry with cleaning cloth.

Aviation Electronics Technician First Class (6 decks)

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