As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PACK LIGHT ILLUMINATED IN FLIGHT. WOULD NOT RESET. COMPLIED QRH ITEMS. NO FOD NOTED AT LT PACK HEAT EXCHANGERS. CURRENTLY PACK LIGHT RESETS W/MASTER CAUTION. NR 1 CTRLR SHOWS "TCV THIS PACK" FAULT ON BIT PREV FLT & VERIFY TESTS. REPLACED LT TEMP CONTROL VALVE PER AMM 21 51 10 00 801 AND 21 51 10 400 801. PERFORMED BITE CHECK PER 21 61 00 700 806 002 BITE CHECK GOOD.