SDR A6WA2019062846683

Service difficulty report · A/C Pack · Cndair CL6002B19

Difficulty date: June 27, 2019
Submitted: June 28, 2019
Operation: Air carrier
Aircraft: N429AW
Make and model: Cndair CL6002B19
Aircraft serial: 7711
Aircraft time: 37,414 hours, 35,858 cycles
System (JASC): 2150 · Cabin Cooling System
Part: A/C Pack
Condition: Failed
Location: Left
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AT APPROXIMATELY FL190, THE FLIGHT CREW NOTED THE FAILURE OF THE LEFT PACK, REDUCED AIRFLOW IN THE COCKPIT AND A CLIMBING CABIN PRESSURE. THE CREW INITIATED A DESCENT TO 10,000', DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. LOSS LT PACK DURING C/O. TRIED TO RESET WOULDNT RESET, LOW PRESSURE MSG. FLT LEVEL 200 TRIED REST OF PACK AT 55% N1.PACK RESET ON GROUND.