From NAVCAN:
The tower at Montréal (CYUL), QC, advised the terminal that an Air Canada Boeing 787-8 (C-GHPU/ACA017), from CYUL to Shanghai (ZSPD), China, had flames visible from the right engine on takeoff. The aircraft declared "PAN PAN" at 1753Z. The aircraft was vectored to Mirabel (CYMX), QC, to dump fuel between the Mirabel VOR and 15 NM to the North East between approximately 1820Z and 1840Z. ARFF services were deployed. The aircraft landed runway 06L at 1857Z and was towed off the runway at 1919Z. Runway 06L was not available between 1857Z and 1920Z, including runway inspection. GMFIR, MACCO, JRCC Trenton, NOC and TSB advised. Impact: minimal delays to several arrivals due to one runway operation, and one arrival, an Air Canada Boeing 777-300 (ACA871), from Paris (LFPG), France to CYUL, on descent, conducted a 360 at OMBRE at FL210.