SDR CALA2013122693951

Service difficulty report · Modulating Valve · Airbus A320232

Difficulty date: December 24, 2013
Submitted: December 27, 2013
Operation: Air carrier
Aircraft: N463UA
Make and model: Airbus A320232
Aircraft serial: 1282
Aircraft time: 46,996 hours, 18,206 cycles
Engine: Iae V2527A5
System (JASC): 7920 · Engine Oil Distribution (Airframe Furnished)
Part: Modulating Valve
Part number: TY155852
Condition: Faulty
Location: Oil System
Stage of operation: IN
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

AIR EXCHANGER FAULT DISPLAYED ON UPPER ECAM SCREEN, AIR VLV CLOSED ENG 2. IAW TOMC SHUTDOWN ENGINE, RESET A05, Q40, Q07 & F01, NO HELP. REPLACED ACOC MODULATING VLV IAW AMM79-21-51401. TESTED SYS IAW AMM79-21-51-400-010-A PARA 5AB, ALL OPERATIONS & LEAK CHECKED NORMAL. REMOVED ACOC MODULATING VLV MR 79218 DID NOT HAVE A DASH, ONLY SN1384.

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