B767-300 and 300 ER
Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Flight Crew Total 25000
Situational Awareness; Human-Machine Interface
Aircraft Equipment Problem Less Severe
Flight Crew Overcame Equipment Problem
Aircraft
During cruise at FL390; received Right Pack Overheat/Right Pack Inop Lights. Two minutes into cool down period; received cable altitude alert. Accomplished emergency action procedures; followed by emergency descent to 10;000 [feet]. After level off; right pack reset normally IAW (in accordance with) QRH procedure. Maximum cabin altitude was 12;000 feet. After pack reset; cabin pressure returned to normal. Flight continued to normal landing at ZZZ. Several flight attendants complained about hypoxic symptoms. Paramedics were called to meet upon gate arrival. Suspect event occurred due to overheat/failure of right pack and left pack being unable to maintain cabin altitude.Was informed that this was the third occurrence on this aircraft. This would have been good to know information prior to takeoff and may have allowed the crew to be more alert and prepared for this possibility.
[Report narrative contained n[o additional information.]
B767 flight crew reported right pack overheat followed by cabin altitude warning in flight.