Learjet 55
Flight Crew Air Transport Pilot (ATP); Flight Crew Flight Instructor; Flight Crew Multiengine; Flight Crew Instrument
Flight Crew Last 90 Days 100; Flight Crew Total 8250; Flight Crew Type 600
Aircraft Equipment Problem Critical
Flight Crew Inflight Shutdown; Flight Crew Landed As Precaution; Flight Crew Diverted
Aircraft
During initial climb (FL280) TR [Thrust Reverser] #1 unlock light illuminated and horn sounded. We ran the unlock light in flight checklist with no effect on the TR light and horn. In the interest of safety we performed a Precautionary Shut Down Checklist to avoid possible TR deployment in flight. We [advised ATC] and diverted to [a suitable alternate airport].
During initial climb - TR [Thrust Reverser] #1 unlock light illuminated and horn sounded. We ran the 'unlock light in flight' checklist with no effect on the TR light and horn. In the interest of safety we performed a 'precautionary shut down' checklist to avoid possible TR deployment in flight. We [advised ATC] and diverted.
LR-55 flight crew reported diverting to an alternate airport after precautionary shutdown of #1 engine due to a thrust reverser unlock light illuminating in flight.