As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT WAS NOT OVERWEIGHT. DURING CLIMB OUT AT FL180, THE RT PACK ILLUMINATED & DID NOT EXTINGUISH AFTER RESET BUTTON PRESSED, ACFT RETURNED. REPLACED RT TURBINE INLET OVERHEAT SWITCH IAW AMM 21-52-41. REPLACED RT COMPRESSOR DISCHARGE OVERHEAT SWITCH IAW AMM 21-51-40. ALSO REFERENCE SDR AALA20150311019.