Service difficulty report · Unknown · Airbus A320232

Difficulty date
March 5, 2007
Submitted
March 13, 2007
Operation
Air carrier
Aircraft
N472UA
Make and model
Airbus A320232
Aircraft serial
1435
Aircraft time
19,988 hours, 8,379 cycles
Engine
Iae V2527A5
Part
Unknown
Condition
Unknown
Location
Cabin Pressure
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.

What was found

RTFL DUE TO BLEED 1 & 2 EMAC FAULT ON CLIMB. RESET BMC, BLEED 1 RESTORED IMMEDIATELY FOLLOWED BY BLEED 2 IN FLIGHT. SUPPLEMENTAL DATA UPDATE ON ENGINE NR 1, BITE TEST INDICATED FAULT OF EITHER FAN AIR VALVE, CONTROL THERMOSTAT OR SENSE LINE. FOUND FILTER FOR CONTROL THERMOSTAT SENSE LINE COMPLETELY CLOGGED. REPLACED FILTER AND THERMOSTAT AS A PRECAUTIONARY MEASURE. ON ENGINE NR 2, BITE TEST INDICATED FAULT OF BLEED REGULATED PRESSURE TRANSDUCER AND OVER PRESSURE VALVE. REPLACED OVER PRESSURE VALVE AND PRESSURE REGULATING VALVE AS A PRECAUTIONARY MEASURE.

More about the Airbus A320-232