As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEPARTED WE EXPERIENCED A STAB MISS COMPARE, HYD PRESS, & GEAR UNLOCK LIGHT. FOLLOWED EMER CHECKLIST. GEAR EXTENDED & STAB MISS COMPARE LIGHT REMAINED ILLUMINATED. A DIVERSION WAS MADE FOLLOWED BY AN UNEVENTFUL LANDING. EMER SERVICES ESCORTED ACFT SERVICE CTR. TROUBLE SHOT THE DISCREPANCY TO A BROKEN JAM NUT LOCKING TAB ON THE LT MAIN GEAR ACTUATOR ATTACH FITTING, RESULTING IN HYD ROD END BACKING OUT. REPLACED LOCKING TAB. SYS OPERATIONAL CHECK WAS NORMAL. ACFT WAS RTS.