Globus B738 at Moscow on Mar 27th 2018, rejected takoff due to smoke in cabin
Last Update: June 13, 2018 / 14:35:36 GMT/Zulu time
A replacement S7 Sibir Airlines Airbus A320-200 registration VQ-BDF (Editorial note: only second letter of registration different!) reached Novosibirsk with a delay of 3:40 hours.
Passengers reported the crew hinted de-icing fluid might have gotten into the engines (CFM56) and probably caused the smoke.
Rosaviatsia opened an investigation into the occurrence.
On Jun 13th 2018 Rosaviatsia reported the serious incident was the result of maintenance and technical personnel's failure to comply with the requirements of the procedures to conduct an engine compressor wash.
Rosaviatsia reported that during taxiing out for departure an unpleasant odour developed on board which was identified as anti-icing fluid that entered the air conditioning system during treatment of the aircraft. While accelerating for takeoff heavy smoke apppeared in cabin and cockpit prompting the crew to reject takeoff at 100 KIAS. The crew brought the aircraft to a stop and initiated an emergency evacuation through all emergency exits including all overwing exits and all forward and aft doors. The investigation determined that during the previous night an engine compressor wash had been carried out, however, the procedure had not been carried out in full, the engine inlet had been purged at low engine power in violation of the manual's requirements. The engine should have been run between 60 and 80% N1 for the purge with absence of any odour or evaporation products.
Rosaviatsia's investigation commission thus concluded the most probable cause of the serious incident was the evaporation of cleaning fluid 20K-27, which remained in the bleed air system after the engine compressor wash, caused the smoke and the subsequent evacuation of the aircraft due to the failure to fully implement AMM 72-00-00 Maintenance Manual.
This article is published under license from Avherald.com. © of text by Avherald.com.
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