As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 HYDRAULIC ISOLATION VALVE LIGHT ON. FLAPS STOPPED DURING RETRACTION AT 4 DEGREES, REMOVED AND REPLACED THE 1 HYD PRESSURE MANIFOLD ASSY IAW MM 29-10-31, BLEED SYSTEM COMPLIED WITH. PERFORMED AN OPS CHECK OF THE NR1 HYD SYSTEM, OPS CHECKED GOOD. FOUND THE NR 1 SPU O-RING AT THE MANIFOLD SPLIT.