As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC FLUID COMING OUT OF RAM AIR DOOR. APU CONTAMINATED WITH HYDRAULIC FLUID. CABIN SMELLS LIKE HYDRAULIC FLUID. APU SHUTDOWN. FOUND RT THRUST REVERSER ACCUMULATOR HYDRAULIC LINE B-NUT LOOSE. TIGHTENED SAME. LEAK CHECK OK. COMPLY WITH DUCT BURNOUT AND REPLACEMENT OF COALESCER BAGS.