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Jet Fuel Contaminated with DEF
Notice Number: NOTC3542

Jet Fuel Contaminated with Diesel Exhaust Fluid (DEF).

The FAA has identified four cases of DEF contamination affecting multiple turbine engine aircraft. Three of those events occurred in the United States and one in Brazil. In all cases, the affected aircraft experienced in-flight operational malfunctions, such as un commanded in-flight engine shutdown, resulting in emergency landings. In these cases, DEF was inadvertently confused with fuel system icing inhibitor (FSII) when servicing refueling vehicles.

Please obtain the Latest SAFO 18015 REV 1 dated 5/19/23. The Copy of this SAFO on DRS is not current. A current copy is attached to this Notice. Or, you can contact the AED with questions or concerns at: 9-AVS-AFS- [email protected] (attention Propulsion Systems).

If you are not satisfied with the airline’s response or conduct, you may file a complaint with US Department of Transportation. This is for United States carrier air travelers and consumers.

Link to file complaints
https://secure.dot.gov/air-travel-complaint

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Air Travel Service Complaint | secure.dot.gov Please use this form to file a complaint or comment about service you received or requested from an airline or ticket agent that does not relate to airline safety or security. This may include, but is not limited to, topics such as flight delays and cancellations, overbooking, disability, tarmac del...