What was found
MAIN DECK FIRE INDICATION AND SMELL OF SMOKE ON FLT DECK DURING DE-ICING , CREW DECLARED EMERGENCY AND CALL FIRE RESCUE , AND (QRH) PERFORMED EVACUATION PROCEEDURE. MTX GROUNDED AC AND AFTER ALL WAS SAFE. MTX RETURNED A/C TO NORMAL CONFIG FROM QRH NNC 8.36. REF LP 38954-19/2, 38954-19/3, AND 38954-21/1 FOR OTHER FINDINGS AND WORK PERFORMED. PERF L&R ENG IDLE RUNS PER AMM TASK 71-00-00-735-034-H00, PERF LH / RH PACK OPS CK PER AMM TASK 21-00-00-862-024. ALL OPS CKS GOOD, NO FIRE WARNINGS, FOUND NO EVIDENCE OF FIRE, AND NO SMELL OF SMOKE PRESENT. SMOKE DETECTOR 8 ON MAIN DECK SHOWING INDICATION FOR THE A LOOP .REMOVED AND REPLACED CARGO SMOKE DET M09803 IAW B767 AMM IAI TASK 26-14-01-424-001. OPS CHECK GOOD. A/C REMAINS NO ETOPS. FOUND NO EVIDENCE OF FIRE OR SMOKE RETURNED AC TO SERVICE