As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PUSHBACK THE RT PACK LIGHT ILLUMINATED AND WOULD NOT RESET WITH THE MASTER CAUTION RECALL. GROUNDED - YES. C/W BITE CHK OF CONTROLLER, NO FAULTS NOTED. REMOVED AND REPLACED COMP DICHARGE O/H SW AND TURBINE INLET O/H SW. REF B737-800 AMM 21-51-40 AND 21-51-41. RT PACK OPERATION CHKS GOOD.