Service difficulty report · Control Valve · Airbus A319132

Difficulty date
November 21, 2025
Submitted
November 24, 2025
Operation
Air carrier
Aircraft
N893UA
Make and model
Airbus A319132
Aircraft serial
2948
Aircraft time
51,012 hours, 26,766 cycles
Part
Control Valve
Part number
1806B00002
Part serial
180605275
Condition
Inoperative
Location
Lt A/C Pack
Part time
713,125 hours, 706,731 cycles
Stage of operation
NR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

A/C PACK NR 1 OUTPUT HIGH TEMPS 88F WOULD NOT COOL. LIGHT OIL SMELL IN AIR. OBSERVED HIGH DISCHARGE TEMPERATURE ON PACK 1 AND FAULT P1 FLOW CONT VALVE (23HB). PERFORMED TSM 21-51-00-810-803-A. PACK 1 FLOW CONTROL VALVE REQUIRES REPLACEMENT. REMOVED PACK FLOW CONTROL VALVE IN REF TO AMM 21-51-51-000-001-A. INSTALLED NEW PACK 1 FLOW CONTROL VALVE. REF AMM TASK 21-51-51-400-001-A. OPS AND LEAK CHECK GOOD. FAULT MESSAGE DID NOT REOCCURE. PERFORMED ENGINE RUNS REF MM 71-00-00 NO OIL SMELLS IN CABIN A/C OK FOR SERVICE AT THIS TIME.

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