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AC 43-12A - Preventive Maintenance

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43-12A - Preventive Maintenance

Date Issued
October 28, 1983
Responsible Office

This advisory circular (AC) provides information concerning preventive maintenance,including who may perform it, the standards of performance applicable to it, authority for approval for return to service, and the applicable recording requirements. This AC clarifies those areas most frequently misunderstood in the past.

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