SDR CALA2014100792368

Service difficulty report · Bleed Valve · Airbus A320232

Difficulty date: October 2, 2014
Submitted: October 7, 2014
Operation: Air carrier
Aircraft: N424UA
Make and model: Airbus A320232
Aircraft serial: 506
Aircraft time: 67,099 hours, 25,177 cycles
Engine: Iae V2527A5
Engine time: 3,200 hours, 23,618 cycles
System (JASC): 7532 · Compressor Bleed Valve
Part: Bleed Valve
Condition: Malfunctioned
Location: Nr 2 Engine
Stage of operation: CL
How discovered: O
Nature of condition: R
Precautionary procedure: A

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

What was found

NUMBER 2 ENG SN V12 083 HAD TWO EACH COMPRESSOR STALLS AFTER TAKEOFF. FOLLOWED FM PROCEDURE, THROTTLE BACK TO IDLE, CURRENTLY ENG PARAMETERS NORMAL. RETURNING BACK TO FIELD. CFDS SHOWS ENG 2 STALL 2 TIMES IN CRUISE, WITH VSV BLD VLV LP C2 ALONG WITH ENG 2 FADEC B FAULT. ACCOMPLISHED TROUBLESHOOTING IAW TSM 71-00-00-810-809-A 13. REPLACED 7TH STAGE BLEED VALVE & LUBED VSV RING IAW SEQ 0992034, 0992031, 0992026 & ACP POWER ASSURANCE RUN.

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