Monday, September 3, 2012

Factors Influencing Corrosion Occurrences


                  If you find Level 2 or Level 3 corrosion, when you think about how to change your CPCP, think about the list that follows.
(1) Is there a presence of LPS-3 Heavy-Duty Rust Inhibitor?
(2) Is there a presence or condition of protective finish?
(3) What was the length of time since the last inspection and/or application of corrosion inhibiting compound?
(4) Was there inadequate clean-up/removal of corrosion prior to application of corrosion inhibiting compound, during previous maintenance of the area?
(5) Are the moisture drains blocked or is there inadequate drainage?
(6) What was the environment, the time of exposure to the environment and the use of the airplane?
(7) Was there a variation in past maintenance history and or use of the airplanes in the operator's fleet?
(8) Were there variations in the production build standard in the operator's fleet?

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