1997 Sentra *Eats* Interior Lights...

Try a different brand of bulb? Try a LED bulb, if you can find one bright enough (not cheap either)?

Maybe there's a vibration there just right to "play" the filament like a guitar string, and fatigue it quickly so it breaks.

John

assuming it is not a vibration problem, it is likely that you have a loose electrical connection in the circuit, which causes intermittent higher current to pass through the bulb. check for loose connections which hold the bulb and possibly a poor ground. at worst, there may be a poor connection at some location between the hot side of the bulb and the power source, maybe bad contacts in the door switch, or even corroded connectors somewhere.

Its a subject that comes up in many other car groups. Lamps failing constantly for no reason. Definitely the comment about getting a LED lamp is a good idea. Filament lamps life fall exponentially with excessive voltage. If any other lamps fail I,d be getting a check up of voltage reg seeting. John