# SDR CALA2013100291653

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2013
- Submitted: October 4, 2013
- Operation: Air carrier
- Aircraft: [N490UA](https://openairdocs.org/aircraft/N490UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1728
- Aircraft time: 38,380 hours, 16,637 cycles
- Engine: Iae V2527A5
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013100291653

## Discrepancy

SHORT MODERATE TURB ENCOUNTER AT FL370 .77 MACH WITH MOMENTARY ENG 1 STALL ECAM.  CLEARED ITSELF.  FOUND 7TH STAGE C VALVE 400JMS3 FAILING FUNCTIONAL CHECK.  REPLACED VALVE IAW MM 75-32-52-400-012.  PERFORMED POWER ASSURANCE TEST.

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