As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L PACK TEMP MSG(<P>TRANSFERRED TO MEL 21-51-01-01 MDDR 153165 CAT C DUE DATE 17SEP21.</P> / <P>CVG MX, 08SEP: LP 1440808, ITEM M4: PERF L/H TEMP CONTROLLER BITE IAW FIM 21-51-00. NO FAULTS FOUND. PERF OPS TEST OF PACKS IAW AMM 21-51-00, L/H PACK FULL COLD FOR 1 HOUR THEN TESTED BOTH PACKS FULL COLD IN "AUTO" & STBY FOR 10 MIN EACH. NO FAULTSW/MSGS NOTED. THIS CLEARS DMI 153165. PLACARDS RMVD. T.I.-JL @ 1658Z</P>)