As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE FROM PHX TO EWR AIRCRAFT DIVERTED TO ABQ FOR YELLOW HYDRAULIC LOW QUANTITY WARNING INDICATION. MAINTENANCE VERIFIED HYDRAULIC QUANTITY AS OK AND PLACED THE INDICATION SYSTEM ON THE MINIMUM EQUIPMENT LIST. MAINTENANCE REMOVED AND REPLACED YELLOW HYDRAULIC LOW LEVEL SWITCH IAW AMM 29-13-41-04, OPERATIONAL CHECK WAS GOOD.