Maintenance and Modifications
Feds Heed Arsa on Mx Duty Time Interpretation

In what the Aeronautical Repair Station Association (Arsa) is calling a major victory for the aviation industry, the FAA withdrew its “faulty legal interpretation” of maintenance duty time limitations prescribed in FAR 121.377. Specifically, the agency reversed course on its May 18, 2010 legal interpretation meant to clarify the application of the rest provisions and equivalency standards under the regulation. However, according to Arsa, the FAA erroneously concluded that the rule rigidly required one day off out of every seven days.

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