What was found
AIRCRAFT WAS GROUNDED. YELLOW HYDRAULIC SYSTEM RESERVOIR LO LEVEL. AIRCRAFT DID NOT EXPERIENCE TOTAL HYDRAULIC LOSS. RETURNED TO DFW. REPLACED POWER TRANSFER UNIT MANIFOLD COUPLING 3701GM PER AMM 29-13-15.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED. YELLOW HYDRAULIC SYSTEM RESERVOIR LO LEVEL. AIRCRAFT DID NOT EXPERIENCE TOTAL HYDRAULIC LOSS. RETURNED TO DFW. REPLACED POWER TRANSFER UNIT MANIFOLD COUPLING 3701GM PER AMM 29-13-15.