As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONNECTOR PLUG NOT PROPERLY INSTALLED ON #1 ENG HYD SUPPLY SHUT OFF VALVE. THIS ENTRY IS FOR SDR PURPOSE REF SUBTASK BARCODE T3F18E0050QM9. SDR MEASUREMENTS RECORDED AS REQUIRED.SECURED AND SAFETIED CANNON PLUG (D1774) FOR #1 ENGINE SUPPLY HYD SHUTOFF VALVE REF AMM 29-11-06-404-014. VERIFIED VALVE OPERATION PER AMM 29-11-06-404-014