# SDR YENA20090820098

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2009
- Submitted: August 21, 2009
- Operation: Air carrier
- Aircraft: [N592JB](https://openairdocs.org/aircraft/N592JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2259
- Aircraft time: 20,783 hours, 7,275 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Sensor
- Part number: 766A000001
- Condition: Failed
- Location: Heat Exchanger
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA20090820098

## Discrepancy

FLT 1784, BOG-JFK, AIR PACK 1 TRIPPED ON CLIMBOUT, UNABLE TO MAINTAIN CABIN, CABIN PRESSURE REACHED 11.2 PSID. DUE PACK NR 2 ON MEL, RETURN TO BOG.  REMOVED AND REPLACED PACK 1 HEAT EXCHANGER O/H TEMP DET/OUT TEMP SENSOR.  OPS CHECK OF PACK NR 1 NORMAL.

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