MD-11
Flight Crew Air Transport Pilot (ATP); Flight Crew Multiengine; Flight Crew Instrument
Troubleshooting; Confusion
Aircraft Equipment Problem Critical; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Flight Crew Returned To Departure Airport; Flight Crew Landed in Emergency Condition; Flight Crew Diverted
Aircraft; Procedure
On climbout passing FL 220; lvl 3 Engine 3 Fire alert with associated fire light in the engine 3 fire handle and engine 3 fuel lever came on. Complied with QRH and [coordinated] with Center. Returned to nearest suitable field.Both fire loops malfunctioned on engine 3.
[Report narrative contained no additional information.]
MD-11 flight crew reported receiving a fire alert due to malfunctioning engine fire loops.