As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF HYDRAULIC FLUID IN SYSTEM NR 3 ACCOMPANIED BY "HYDRAULIC SYSTEM NR 3 ELEVATOR OFF LIGHT". FOUND HORIZONTAL STABILIZER UPPER PRIMARY TRIM CONTROL VALVE PRESSURE LINE B-NUT LOOSE; TIGHTENED PRIMARY TRIM CONTROL VALVE PRESSURE LINE "B" NUT IN ACCORDANCE WITH M/M 20-50-01; OPERATIONAL CHECK HORIZONTAL STABILIZER SYSTEM FOUND NORMAL IN ACCORDANCE WITH M/M 27-43-03 AND 27-40-00.