What was found
DURING CLIMB, CABIN PRESURIZATION BECAME ERRATIC AND UNCONTROLABLE. CREW DESCENDED IMEDIATELY. CABIN LOW WARNING ILLUMINATED. OPEN.
- Difficulty date
- April 6, 2010
- Submitted
- April 12, 2010
- Operation
- Air carrier
- Aircraft
- N436QS
- Make and model
- Gulstm GIV
- Aircraft serial
- 1436
- Aircraft time
- 7,758 hours, 3,787 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Safety Valve
- Part number
- 10356812MR4
- Part serial
- 18267
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Part time
- 3,888 hours, 1,895 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- B, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.