As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT PACK TEMP INDICATION PEGS ZERO. PACK WORKS OK. CHECKED RESISTANCE AT RT PACK TEMP BULB FOUND VERY LOW RESISTANCE. REPLACED RT PACK TEMP BULB WITH NEW ONE. VERIFIED RT PACK TEMP IND NOW INDICATES REF MM 21-51-60-400-801 & WDM 21-61-51.