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AD/ENG/4 Amdt 11 - Piston Engine Continuing Airworthiness Requirements
A3(b) Engine oil filter, oil pressure scA3(b) Engine oil filter, oil pressure screen and suction screen inspection
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A3(b) Engine oil filter, oil pressure screen and suction screen inspection
All engine oil and engine oil filter replacements, including those carried out in the period between the aircraft periodic inspections, unless carried out by a pilot, shall include inspecting the engine oil pressure filter, oil pressure screen and, if applicable, the oil suction screen, for evidence of metallic particles, shavings or flakes. Take corrective action, where necessary.