# SDR YENA20160524466

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2016
- Submitted: May 25, 2016
- Operation: Air carrier
- Aircraft: [N556JB](https://openairdocs.org/aircraft/N556JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1904
- Aircraft time: 51,116 hours, 18,262 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 1303A000004
- Part serial: 130302356
- Condition: Failed
- Location: A/C Pack
- Part time: 35,351 hours, 12,667 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA20160524466

## Discrepancy

FOUR HOURS INTO FLIGHT, A BURNED ODOR WAS NOTICED AND PACK 1 WAS SHUTDOWN.  ODOR WENT AWAY.  R & R FLOW CONTROL VALVE ON NR 1 PACK IAW AMM 21-51-51.  LEAK CHECK AND OPS CHECK GOOD, PASSED.

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