# SDR MALA060144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2006
- Submitted: March 14, 2006
- Operation: Air carrier
- Aircraft: N402XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B402
- Aircraft time: 21,645 hours, 23,376 cycles
- System (JASC): [3450 · Dependent Position Determining System](https://openairdocs.org/jasc/3450)
- Part: Control Head
- Part number: 6226523213
- Part serial: 12891
- Condition: Malfunctioned
- Location: Transponder
- Stage of operation: CR
- 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/MALA060144

## Discrepancy

SECOND DIGIT OF TRANSPONDER CODE IS BEING RECEIVED FOUR HIGHER THAN IS DISPLAYED ON UNIT.  REMOVED AND REPLACED CONTROL HEAD.  P/N ON/OFF: 622-6523-213; S/N ON: 12760; S/N OFF: 12891.

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