Service difficulty report · Controller · Airbus A320232

Difficulty date
July 7, 2011
Submitted
August 2, 2011
Operation
Air carrier
Aircraft
N418UA
Make and model
Airbus A320232
Aircraft serial
485
Aircraft time
58,186 hours, 21,755 cycles
Engine
Iae V2527A5
Part
Controller
Part number
2079102AB
Part serial
10367
Condition
Faulty
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

PRESSURIZATION ISSUE, RTFL. DUE TO REPEATED FAULTS OF THE CABIN PRESSURIZATION SYSTEM AND THE MOST RECENT EXCESSIVE CABIN PRESSURE WRITEUP, PLEASE ACCOMPLISH THE FOLLOWING. IAW TSM REPLACE BOTH CABIN PRESSURE CONTROLLERS (11HL, 12HL) IAW AMM AND REPLACE THE OUTFLOW VALVE (10HL) IAW AMM. DURING REPLACEMENT PLEASE INSPECT ALL CONNECTORS AND BENCH PLUG WIRES FOR SECURITY TO ENSURE THAT NO PINS ARE PUSHED OUT. PLEASE REPORT FINDINGS TO SAMC...OPBLM. REPLACED BOTH PRESSURE CONTROLLERS AND OUTFLOW VALVE. ALL OPS OKAY. CKECKED ALL PLUGS AND BENCH LUGS, NO DEFECTS NOTED.

More about the Airbus A320-232