As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THROUGH FL 270, RT HYDRAULIC FLOW LIGHT ILLUMINATED. DIVERTED, DURING DECENT RT HYD FLOW LIGHT WENT OUT. REMOVED DEFECTIVE RT FLOW SWITCH AND INSTALLED NEW SWITCH. HYDR INDICATION CHECKS NORMAL, AND AC RETURNED TO SERVICE. (K)