As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE A-SYSTEM HYDRAULIC LEAK. COMPLIED WITH QRH AND MADE A NORMAL LANDING. A 1.5 GALLON REMAINED AT BLOCK-IN. REMOVED SEVERAL LEADING EDGE PANELS. NO LEAK FOUND AS OF YET. FOUND UNION LOOSE ON LINE THAT GOES TO OUTBOARD LEFT WING SLAT ACT. TIGHTEN PER B727-200 MM 20-8-001 -2 AND B2727-200 MM 29-11-000-6. RAN HYD WITH A AND B PUMPS SEVERAL TIMES AFTER TIGHTENED UNION, FOUND NO OTHER LEAKS. LEAK CHECKS NORMAL.