As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE LT THRUST REVERSER LIGHT CAME ON AND A SLIGHT VIBRATION FELT FROM THE LT SIDE OF AIRPLANE. COMPLIED WITH NORMAL CHECKLIST AND EMERGENCY STOW PROCEDURE, LIGHT WENT OUT ALONG WITH VIBRATION. REMOVED LT & RT ENGINE INBOARD & OUTBOARD STANGS, PERFORMED VISUAL INSPECTION TO THE THRUST REVERSER SYSTEM, NOTICED SYSTEM IS DRY. LUBED BOTH TR’S AND ADJUSTED LT STOW SWITCH IAW CESSNA 560XL MM CHAPTER 78-31-00. SYSTEM OPS CHECKED GOOD.