As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 0892 - DURING DESCENT INTO ORD, LOST HYDRAULIC SYSTEM 1. ACCOMPLISHED ABNORMAL PROCEDURES FOR LOSS OF HYDRAULIC SYSTEM 1 AND AIRCRAFT LANDED ORD WITHOUT INCIDENT. REPLACED PACKING ON LEFT ENGINE NR 1 HYDRAULIC PUMP PRESSURE FITTING AT PUMP. SYSTEM LEAK AND GROUND CHECK NORMAL OPERATION. (X)