I take it that the aluminum handle has come loose from the glass. I had a previous coach that had a couple of these do this and I cleaned the glass and frame; then used clear silicone to secure them together. Tighten the groove if need be.
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