What was found
NR 3 HYDRAULIC SYSTEM LOSS. RETURNED TO DTW. SUPPLEMENTAL DATA UPDATE: NR 1 (UPPER) STABILIZER TRIM CONTROL VALVE HOUSING CRACKED. REPLACED CONTROL VALVE AND BOTH NR 3 ENGINE HYDRAULIC PUMPS. PART TOTAL CYCLES, 3,800.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 3 HYDRAULIC SYSTEM LOSS. RETURNED TO DTW. SUPPLEMENTAL DATA UPDATE: NR 1 (UPPER) STABILIZER TRIM CONTROL VALVE HOUSING CRACKED. REPLACED CONTROL VALVE AND BOTH NR 3 ENGINE HYDRAULIC PUMPS. PART TOTAL CYCLES, 3,800.