SDR CALA2014052791147

Service difficulty report · Start Valve · Airbus A320232

Difficulty date: May 23, 2014
Submitted: May 27, 2014
Operation: Air carrier
Aircraft: N486UA
Make and model: Airbus A320232
Aircraft serial: 1620
Aircraft time: 41,015 hours, 17,797 cycles
Engine: Iae V2527A5
Engine time: 26,776 cycles
System (JASC): 8012 · Engine Start Valves/Controls
Part: Start Valve
Condition: Faulty
Location: Nr 2 Engine
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: D

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

What was found

CREW REPORTS DURING NR 2 ENG START APU BLEED PRESS SHOWS ONLY 22 PSI, ENG DID NOT START, CYCLED APU BLEED SWITCH, PRESS RECOVERED TO 30 PSI BUT LATER DROPPED TO 20 PSI. UNABLE TO START ENG WITH START VLV FAULT, RESET A05 & Q4 0 CROSS BLEED START RESULTED IN START VLV FAULT, ENG DID NOT START. REPLACED START VLV IAW AMM 80-13-51.

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