Service difficulty report · Valve · Airbus A320*

Difficulty date
May 18, 2023
Submitted
July 27, 2023
Operation
Air carrier
Aircraft
N157UW
Make and model
Airbus A320*
Aircraft serial
5696
Aircraft time
29,663 hours, 12,135 cycles
Part
Valve
Part number
6740E010000
Part serial
01447
Condition
Warning Message
Location
Zone 400 - Nac/P
Part time
71,572 hours, 27,334 cycles
Stage of operation
TO
How discovered
V
Nature of condition
J
Precautionary procedure
A, O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHX. RIGHT AFTER THRUST RED ALTITUDE AFTER TAKE OFF GOT AIR ENGINE 2 BLEED ABNORMAL PRESSURE. CREW ACCOMPLISHED ECAM PROCEDURES AND LANDED SAFELY AT PHX WITHOUT FURTHER INCIDEDNT. **SUPPLEMENTAL REPORT FOR AALA202305192367: MAINTENANCE REPLACED THE OVERPRESSURE VALVE 5HA2, THE BLEED PRESSURE REGULATOR VALVE CONTROL SOLENOID / TEMPERATURE LIMITATION THERMOSTAT 10HA2 (AALA202307272150) AND THE BLEED AIR PRECOOLER EXCHANGER (AALA202307272325) ON THE #2 ENGINE. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED. **(CLOSED)