For fire that will not go out,
1, If vmc remain in vmc, if at least 1000 ft ceiling and 2 miles, do not climb into cloud.
2, turn to downwind and complete approach visually, hand flown, FD off, no loc or gs needed. run no checklist except landing check, then evac check on runway when stopped.
If imc, declare, turn now to airfield, make PA announce, run pertinent QRH until 3mile final, then same as above, do not dilly dally in air to finish QRH, stop on runway, evac checklist.