As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK WILL NOT COOL CABIN IN AUTO OR MANUAL MODE, AIR RETURN. REMOVED AND REPLACED RIGHT PACK PRSOV IAW AMM 21-51-43. NO FIX. PLACED ON MEL. REPLACED AND TIGHTENED AIR DUCT AT CAPTAINS FEET AREA. OPS CHECK GOOD. REMOVED OFF MEL. (M)