As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT DEPARTED FARNBOROUGH EN ROUTE TO BEIRUT. CLIMBING THROUGH 45,000 FEET AT 220 KNOTS, THE RT AMBER REVERSER UNLOCK CAPTION ILLUMINATED. CHECK LISTS FOLLOWED, EMERGENCY STOW WAS SELECTED. ENGINE WAS SHUT DOWN AND AIRCRAFT DIVERTED TO STANSTED AIRPORT. FURTHER TROUBLESHOOTING REVEALED THAT THE STOW SWITCH FROM THE RT THRUST REVERSER WAS FOUND INTERMITTENT.