What was found
ORD - CREW RECEIVED STATUS MESSAGE OF LOW HYDRAULIC FLUID QUANTITY. EMERGENCY DECLARED, LANDED ORD WITHOUT INCIDENT. FOUND LEFT ENGINE HYDRAULIC LEAK. REPLACED LEFT ENGINE HYDRAULIC LINE. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - CREW RECEIVED STATUS MESSAGE OF LOW HYDRAULIC FLUID QUANTITY. EMERGENCY DECLARED, LANDED ORD WITHOUT INCIDENT. FOUND LEFT ENGINE HYDRAULIC LEAK. REPLACED LEFT ENGINE HYDRAULIC LINE. SYSTEM GROUND CHECKED NORMAL OPERATION.