SDR A6WA201644018

Service difficulty report · Unknown · Cndair CL6002B19

Difficulty date: June 18, 2016
Submitted: June 22, 2016
Operation: Air carrier
Aircraft: N470ZW
Make and model: Cndair CL6002B19
Aircraft serial: 7927
Aircraft time: 27,523 hours, 26,679 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Unknown
Condition: Malfunctioned
Location: Cabin Pressure
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

AFTER TAKEOFF AT 7000 FT, NOTICED ACFT WAS NOT PRESSURIZING ON PRESSURE CONTROLLER NR 1. SWITCHED TO PRESSURE CONTROLLER 2, CABIN ALTITUDE CLIMBING AT SAME RATE AS ACFT. SWITCHED TO MANUAL, NO AFFECT. AIR RETURN, LANDED AT 44,000 LBS GROSS.