As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATED ON RECALL BUT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED CABIN TEMP BITE TEST FOUND RAM AIR ACT FAULT PREVIOUS WRITE UP SHOWS SAME FAULT. REMOVED AND REPLACED L/H RAM AIR INLET ACT REF B737-900 AMM 21-51-21 OPS CK NORMAL.