I'm not aware of any interior lights that aren't replaceable. On my rig you have to remove the lens and then remove the two screws and the fixture can be removed from the ceiling.
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Retired Navy
Jake my sidekick (yellow Lab) 10/04 - 05/20
2017 RAM 2500 CC 4X4 Cummins Diesel
2016 Flagstaff 26 FKWS
AF&AM & El Korah Shrine of Idaho