Service difficulty report · Outflow Valve · Airbus A320231

Difficulty date
February 19, 2006
Submitted
February 23, 2006
Operation
Air carrier
Aircraft
N628AW
Make and model
Airbus A320231
Aircraft serial
67
Aircraft time
53,099 hours, 23,715 cycles
Part
Outflow Valve
Part number
VFT300A1
Part serial
407
Condition
Malfunctioned
Location
Cabin Pressure
Part time
3,900 hours, 1,668 cycles
Stage of operation
CL
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.

What was found

DURING TAKEOFF ROLL RECEIVED AVIONICS SKIN AIR VALVE FAULT & AN ECAM MESSAGE STATING NOT TO CLIMB ABOVE 10,000 FT. RETURNED & LANDED WITHOUT EVENT. MX R & R SKIN AIR OUTLET VALVE, 22HQ, IAW MM . OPS CHK GOOD. TEARDOWN CONFIRMS FAULT. ON ENTRY TEST, VALVE FAILED TO SHUTOFF DUE TO ELEC STOP OPEN. VALVE TRAVELED UNTIL STOPS CONTACTED & ACT TORQUE LIMITER SLIPPED. ACT NOISY DURING OPS. AFTER DIASSEMBLY, ELEC STOP SWITCH FOUND NOT DEPRESSED DOWN ENOUGH FOR PROPER CONTACT. ACT TRAVELED UNTIL STOPS CONTACTED. REPLACED CONSUMABLES, IDLE GEAR & OVERHAULED ACT. UNIT CLEANED, SWITCH ADJUSTED, IDLE GEAR REPLACED & ACTUATOR TESTED IAW CMM.

More about the Airbus A320-231