# SDR CA990310052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Valve
- Part number: 748A000005
- Condition: Failed
- Location: Nr 2 Pack
- Part time: 18,811 hours
- Stage of operation: TX
- Nature of condition: B, P
- Precautionary procedure: H, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990310052

## Discrepancy

(CAN) AIRCRAFT DECLARED AN EMERGENCY ON TAXI, DUE TO VAPOR IN THE CABIN.  ENGINE RUN AT GATE DUPLICATED THE PROBLEM.  FOUND WATER VAPOR COMING FROM NR 2 SYSTEM.  THE NR 2 PACK ANTI-ICE VALVE WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.

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