Home / Photos / Maintenance: You Can Do It Photos Maintenance: You Can Do It By January 24, 2011 Tips that will save you dollars year-round.Lubrication is a PM task provided that no complex disassembly is required for access. R & R of navcom equipment requires an operational check in accordance with FAR Part 91.171. Owners may replace bulbs, lenses and reflectors of landing and navigation lights, and may troubleshoot and repair broken circuits in landing-light wiring. More From Photos A Fond Memory: Sun 'n Fun Aerospace Expo 2023 Gallery: The Evolution of Van's Aircraft Gallery: Tails on Display at Oshkosh Gallery: Wednesday at Oshkosh Photos: <i>FLYING</i> Honors Award Winners at Adventure Party First Look: Supernal's Air Taxi Passenger Cabin