# SDR UIEA200200051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2002
- Submitted: October 25, 2002
- Operation: Air carrier
- Aircraft: [N517MC](https://openairdocs.org/aircraft/N517MC), registered now
- Make and model: Boeing 747243B
- Aircraft serial: 23300
- Engine: Ge CF650E2
- System (JASC): [3450 · Dependent Position Determining System](https://openairdocs.org/jasc/3450)
- Part: Transponder
- Part number: 751780010002
- Condition: Failed
- Location: Nr 1 Mode
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA200200051

## Discrepancy

DURING INITIAL CLIMB, TRANSPONDER FAIL LIGHT ILLUMINATED WITH NR 1 SET SELECTED.  SELECTED NR 2 TO NO AVAIL.  CIRCUIT BREAKER CHECKED OK.  DIVERTED.  C/A:  REPLACED MODE S TRANSPONDER IAW MM.  TEST CARRIED OUT.  OPS CHECK SATISFACTORY.  ALSO ATC TRANSPONDER NR 2 TRANSFERRED TO DMI.

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