As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 1790 - THE B-HYDRAULIC SYSTEM HAD A PARTIAL DROP IN QUANTITY WHILE EN ROUTE TO GSO. THE AIRCRAFT LANDED AT GSO WITHOUT INCIDENT. MAINTENANCE FOUND THE B-SYSTEM AILERON PCU LEAKING. THE AILERON PCU WAS REMOVED AND REPLACED IAW MM 27-11-71 AND OPERATION CHECKED GOOD. (M)