Service difficulty report · Computer · Airbus A320214

Difficulty date
June 20, 2021
Submitted
June 22, 2021
Operation
Air carrier
Aircraft
N126UW
Make and model
Airbus A320214
Aircraft serial
4149
Aircraft time
30,956 hours, 16,762 cycles
Part
Computer
Part number
73390112
Part serial
733901IN01111
Condition
Faulted
Location
Bleed Monitor
Part time
21,238 hours, 6,313 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

AIRCRAFT WAS GROUNDED: AFTER TAKE OFF WITH APU BLEED ON, WHEN BLEED RECONFIGURED, ENGINE BLEED 1 & 2 FAULT. WHILE RUNNING ECAM PROCEDURE ECAM PROCEDURE CLEARED ENGINE BLEEDS WOULD NOT RESET AND CABIN PRESSURE WAS NOT WORKING PROPERLY. THE AIRCRAFT RETURNED TO PHX WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT . (NO EMERGENCY WAS DECLARED) REPLACED BLEED MONITORING COMPUTERS #1 (AALA202106229002) AND (AALA202106229003) PER EO 3619Y002. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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