Service difficulty report · Regulator Valve · Airbus A321211

Difficulty date
June 16, 2021
Submitted
June 18, 2021
Operation
Air carrier
Aircraft
N170US
Make and model
Airbus A321211
Aircraft serial
1462
Aircraft time
65,427 hours, 24,807 cycles
Part
Regulator Valve
Part number
6774E010000
Part serial
01840
Condition
Faulted
Location
Eng Pneumatic
Part time
49,757 hours, 24,282 cycles
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
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 INTO DESTINATION DEN DUE TO AN ENGINE BLEED ECAM VIA ACARS FOR ENGINE #1 AND #2 BLEED AIR FAULT IN ADDITION TO #2 ENGINE BLEED AIR ABNORMAL PRESSURE FAULT. THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED # ENGINE AND #2 ENGINE PRESSURE REGULATING VALVE PER AMM 36-11-52. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED. (#1 ENGINE REPORTED ON AALA202106189009 AND #2 ENGINE REPORTED ON AALA202106189010)

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