The "Boeing D6-7127 Interior cleaning of commercial transport aircraft" standard, a Boeing safety standard, describes methods for evaluating the materials to be used in cleaning the interior of Boeing commercial aircraft. Materials and processes are provided as a guide for cleaning during production or general maintenance.
The tests described here for cleaners' approval are intended solely to ensure that materials will not damage aircraft surfaces when used as specified. These tests are not intended to judge performance.
The results of the materials tested reflect the formulations and properties of these materials at the time of the tests. Subsequent changes to the formulas or other properties of the materials may produce different results. This standard is updated periodically to add new cleaners or delete old cleaners, but the effectiveness or safety of the cleaners listed are not constantly monitored.
Some of the materials used here are toxic or flammable. Boeing personnel should refer to the Hazard Communication Manual located in the work area for information contained in tip sheets and material safety data sheets regarding health effects and appropriate control measures associated with the use of hazardous materials. For safe operation, the requirements of the responsible safety and fire protection engineering department should be consulted. The responsible pollution control officer should be contacted for proper procedures for disposal of hazardous waste materials.
Material control includes:
Grayscale color grading is based on the AATCC gray scale for color variation or the AATCC gray scale for staining. Chips represent differences in color or contrast corresponding to a numerical rating system. Ratings are assigned by visual comparison of the color differences represented by chip pairs with the original and tested samples. The rating scale ranges from one to five in half steps. A rating of five is given only when there is no color difference between the original material and the tested samples.
Minimal color change and smearing refers to a color difference of no worse than step 4.0 on the AATCC gray scales.
Standard light source refers to either:
Testing methods commonly performed include:
For example, the sandwich corrosion testing method is intended to be used to qualify and certify chemicals used in aircraft maintenance operations. The method determines whether aircraft structural aluminum alloys are prone to corrosion or damage due to the application of test chemicals during routine maintenance operations.
The immersion corrosion testing method determines the corrosiveness of chemicals on aircraft metals over time under total immersion conditions by determining the weight change of test metals after immersion in test chemicals. This method screens test chemicals to ensure compliance with specified weight change criteria.
The rubber testing method evaluates the comparative ability of rubber and rubber-like compositions to withstand the action of test liquids. It is primarily designed for testing: vulcanized rubber samples cut from standard sheets, samples cut from fabric coated with vulcanized rubber, or finished commercial products.
The leakproofness test method evaluates an insulated surface to withstand the action of test liquids. A paint-primed aluminum surface is coated with a sealant commonly used in aircraft materials.
The painted surface testing method involves determining the effects of cleaning solutions and chemical maintenance materials on painted aircraft surfaces. Plate and plate samples of aluminum alloy are examined under test liquids. This test method can be applied to any painted film exposed to cleaning materials.
The Tedlar surface testing method is used to ensure that test fluids do not leave any scratches, discolorations or stains on Tedlar surfaces after exposure to the test fluids.
Among the numerous testing, measurement, analysis and evaluation studies it provides for businesses in various sectors, our organization also provides testing services defined in the "Boeing D6-7127 Internal cleaning of commercial transport aircraft" standard, with a trained and expert staff and advanced technological equipment.
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