What was found
PASSING THROUGH 18,000 FEET, LARGE FLUCTUATIONS IN CABIN VERTICAL SPEED (SYS 1). *S/D* REPLACED OUTFLOW VALVE AND BOTH PRESSURE CONTROLLERS.
- Difficulty date
- June 4, 2000
- Submitted
- October 4, 2000
- Operation
- Air carrier
- Aircraft
- N410UA
- Make and model
- Airbus A320232
- Aircraft serial
- 463
- Aircraft time
- 21,315 hours, 7,673 cycles
- Engine
- Iae V2527A5
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part serial
- MR2130133
- Condition
- Fluctuates
- Location
- Aft Fuselage
- Part time
- 3 hours, 2 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.