In order to remove or even loosen a cabinet in our industry you will have to pull the bottom inside shelf to access the screws going into wall as well as the screws going into the ceiling.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7