What was found
MAIN HYDRAULIC PRESSURE DROPS FROM 3000 PSI TO 2100 PSI WITHIN 35 SECONDS ON GROUND AND INFLIGHT. REMOVED AND REPLACED HYDRAULIC ACCUMULATOR PRESSURE DUMP VALVE IAW SAAB AMM. OPERATIONAL CHECK GOOD. RETURNED AIRCRAFT TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAIN HYDRAULIC PRESSURE DROPS FROM 3000 PSI TO 2100 PSI WITHIN 35 SECONDS ON GROUND AND INFLIGHT. REMOVED AND REPLACED HYDRAULIC ACCUMULATOR PRESSURE DUMP VALVE IAW SAAB AMM. OPERATIONAL CHECK GOOD. RETURNED AIRCRAFT TO SERVICE.