As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED NR 2 HYDRAULIC PRESSURE INDICATION FLUCTUATED AND DROPPED TO ZERO AND HYDRAULIC NR 2 LIGHT ILLUMINATED INTERMITTENTLY. TROUBLESHOT SYSTEM. NO VISUAL ANOMALIES OR EXTERNAL LEAKAGE. CLEANED MAIN HYD. HARNESS, PRESSURE SWITCH AND 2 EACH TRANSDUCER CONNECTOR, APPLIED DC 4 COMPOUND AND REINSTALLED. FUNCTIONAL CHECK OF HYD. SYSTEM TO INCLUDE FLIGHT COMPLIED WITH. FUNCTION CHECK NORMAL, NO DISCREPANICES NOTED. AIRCRAFT RETURNED TO SERVICE.