What was found
AIR TURNBACK, AT FL 350 MASTER CAUTION AND HYDRAULIC LIGHTS ILLUMINATED, HYDRAULIC B-SYSTEM QUANTITY AT -0-. FOUND B-HYDRAULIC SYSTEM SPOILER PRESSURE LINE CHAFED. REMOVED AND REPLACED SPOILER PRESSURE LINE PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, AT FL 350 MASTER CAUTION AND HYDRAULIC LIGHTS ILLUMINATED, HYDRAULIC B-SYSTEM QUANTITY AT -0-. FOUND B-HYDRAULIC SYSTEM SPOILER PRESSURE LINE CHAFED. REMOVED AND REPLACED SPOILER PRESSURE LINE PER MM.