What was found
COPILOT R2 WINDOW/ESCAPE HATCH WILL NOT OPEN. GROUNDED-YES. R2 WINDOW OPENED AND VERIFIED VERY HARD TO OPEN/CLOSE, REF B737-800 AMM 56-12-11-720-801. VERIFIED WINDOW HEAT TAP ON TB5014 FOR H16 CODE IS AT TERM 1, REF B737-800 WDM 30-11-11 A. PERFORMED R2 WINDOW ADJUSTMENT, PER AMM 56-12-11-820-801. FOUND ALL ADJUSTMENTS TO BE OFF, ADJUSTED WINDOW AS NECESSARY, PER AMM 56-12-11-820-801. RE-INSTALLED R2 WINDOW, PER AMM 56-12-12, NO OTHER ADJUSTMENTS NECESSARY. OPERATIONS CHECK, FIT CHECK, HANDLE FORCE AND LEAK CHECK ALL, OK PER AMM 56-12-11. WINDOW HEAT SYSTEM OPERATIONS CHECK OK, PER AMM 30-41-00.