As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 10 - EWR - THE NR 1 HYDRAULIC SYSTEM BEGAN TO LOSE FLUID WHILE EN ROUTE FROM IAH TO ORY. THE QUANTITY DROPPED STEADILY. THE AIRCRAFT WAS DIVERTED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE LOWER PRIMARY TRIM CONTROL VALVE LEAKING. THE LOWER PRIMARY TRIM CONTROL VALVE WAS REMOVED AND REPLACED IAW MM 27-43-03, PAGE 501. LEAK AND OPERATIONAL CHECKS WERE GOOD. (M)