What was found
LEFT PACK INOPERATIVE REMOVED AND REPLACED THE LT PACK FLOW CONTROL AND SHUT OFF VALVES. LEFT PACK OPS CHECKED NORMAL IAW AMM 21-51-01/401.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT PACK INOPERATIVE REMOVED AND REPLACED THE LT PACK FLOW CONTROL AND SHUT OFF VALVES. LEFT PACK OPS CHECKED NORMAL IAW AMM 21-51-01/401.