What was found
DTW - FLT 1691 - F/A'S REPORTED SMOKE IN CABIN, FOLLOWED QRH, LANDED AT 128,000 NR TURNED OFF L PACK. SMOKE PERSISTED. TURNED LEFT AND RETURNED OFF LATER TURNED OFF NI SMOKE. FOUND OIL IN 13TH STAGE DUCT REPLACED NR 2 ENGINE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DTW - FLT 1691 - F/A'S REPORTED SMOKE IN CABIN, FOLLOWED QRH, LANDED AT 128,000 NR TURNED OFF L PACK. SMOKE PERSISTED. TURNED LEFT AND RETURNED OFF LATER TURNED OFF NI SMOKE. FOUND OIL IN 13TH STAGE DUCT REPLACED NR 2 ENGINE. (M)