As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK INOPERATIVE. R & R LT FLOW CONTROL & SOV IAW MM 21-51-01. OPERATIONS CHECKED GOOD. NO LEAKS. OK FOR SERVICE. ROTABLE PARTS CHANGE WAS INDICATED. TT 1581200 SN OFF 01612 VLV, AIR FLO OFF 57-2151-9-0003 1612 ON 57-2151-9-0003 1249.