When the front panel on our T139 was replaced the clearance lights were discarded and reflectors put in place. No holes, no wires, no leaks, no worries.
If the bulb is seized into the socket you may have to replace the light. The bulb might eventually come out but what condition will the socket be in?
1995 Chevy G20 aka "Big Blue",
1994 GMC Camper Van,