What was found
(CAN) LEFT HAND HYDRAULIC SYSTEM QUANTITY LOST WITH LOSS OF SYSTEM PRESSURE. AIRCRAFT RETURNED. FOUND ENGINE DRIVEN PUMP PRESSURE LINE CHAFED THROUGH ON PNEUMATIC DUCT. REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) LEFT HAND HYDRAULIC SYSTEM QUANTITY LOST WITH LOSS OF SYSTEM PRESSURE. AIRCRAFT RETURNED. FOUND ENGINE DRIVEN PUMP PRESSURE LINE CHAFED THROUGH ON PNEUMATIC DUCT. REPLACED.