# SDR AALA201511309012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2015
- Submitted: November 30, 2015
- Operation: Air carrier
- Aircraft: [N723UW](https://openairdocs.org/aircraft/N723UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1109
- Aircraft time: 45,059 hours, 25,977 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Butterfly Valve
- Part number: V2T127D
- Part serial: 2005
- Condition: Defective
- Location: Ac Bay
- Part time: 46,366 hours, 26,354 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201511309012

## Discrepancy

AVIONICS SMOKE ANNUNCIATED, NO SMOKE PRESENT.  REPLACED CONDITIONED AIR INLET VLV 21HQ & SKIN EXHANGER ISOLATION VLV 24HQ.  ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK IAW AMM 21-26-54 & 21-26-55.  SEE AALA201511309011 FOR ADDITIONAL PART INFORMATION.

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