What was found
AIRCRAFT EXPERIENCED B-HYDRAULIC SYSTEM ZERO QUANTITY INDICATION DURING CRUISE. AIRCRAFT CONTINUED TO ORD. THE NR 1 ENGINE HYDRAULIC PUMP FAILED. REPLACED NR 1 ENGINE HYDRAULIC PUMP, SYSTEM TESTS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT EXPERIENCED B-HYDRAULIC SYSTEM ZERO QUANTITY INDICATION DURING CRUISE. AIRCRAFT CONTINUED TO ORD. THE NR 1 ENGINE HYDRAULIC PUMP FAILED. REPLACED NR 1 ENGINE HYDRAULIC PUMP, SYSTEM TESTS NORMAL.