What was found
HYD CAUTION LIGHT ON, MAIN ACC PRESS 0, HYD QUANTITY 0, EMERGENCY ACC 3000, IB/OB BRAKE PRESSURE REMAINED 3000 UNTIL BRAKE USE ON LANDING. USED EMERGENCY EXTENTION FOR GEAR AS PER QRH. MAINTENANCE REPLACED LT/RT SEP BOLT AND SWIVEL FITTING PN L38710SA. ALL CHECKS GOOD.