What was found
RT HYDRAULIC QUANTITY GAUGE INDICATED IN RED ARC FOLLOWED BY RT HYDRAULIC PRESSURE LOW AND RUDDER CONTROL MANUAL LIGHTS ILLUMINATING. ACCOMPLISHED QRH PROCEDURES. -- REMOVED AND REPLACED O-RING AT TOP REDUCER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RT HYDRAULIC QUANTITY GAUGE INDICATED IN RED ARC FOLLOWED BY RT HYDRAULIC PRESSURE LOW AND RUDDER CONTROL MANUAL LIGHTS ILLUMINATING. ACCOMPLISHED QRH PROCEDURES. -- REMOVED AND REPLACED O-RING AT TOP REDUCER.