What was found
FO NOTICE IN FLIGHT CRACKING ON PERIMETER OF WINDOWS. RAN CHECKLIST FOR CRACKED WINDOW IN FLIGHT. AS PER CREW DEBRIEF F/O SLIDING WINDOW CRACKED ALONG THE EDGE. NO ARCING AND NO LEAKAGE OR PRESSURISATION ISSUES. CARRIED OUT INSPECTION AND CHECKS FOUND URETHANE INTERLAYER CRACKS ALONG EDGE OF WINDOW, CRACKS FOUND WITHIN LIMITS IAW AMM 56-11-00-6. AIRCRAFT OK FOR SERVICE. R2 WINDOW HAS CRACKS IN URETHANE INTERLAYER. WITHIN LIMITS PER AMM 56-11-00-6. CARRIED OUT INSPECTION ON ALL OTHER COCKPIT WINDOWS FOUND NO ABNORMALITIES AS PER B767 AMM 56-11-00-6. A/C OK FOR SERVICE.