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. EXTINGUISHED WHEN MASTER CAUTION RESET BUTTON WAS PUSHED. GROUNDED - YES. PERFORMED PACK FLOW TEMPERATURE CONTROLLER BITE PER B737-900 AMM 21-61-00-740-801-002 FAULTS EXIT SRADA ACTUATOR. REMOVED LH RAM AIR EXHAUST ACTUATOR PER AMM 21-51-27-000-801. INSTALLED RAM AIR EXHAUST ACTUATOR PER AMM 21-51-27-400-801. PERFORMED INSTALLATION TEST PER SAME, INSTALLATION TEST PASSED.