# SDR RRXA001040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2000
- Submitted: August 8, 2000
- Operation: Air carrier
- Aircraft: N993CF
- Make and model: Doug DC-8-62
- Registry model: [Doug DC-8-62](https://openairdocs.org/model/mcdonnell-douglas-dc-8-62) (OpenAirDocs)
- Aircraft serial: 46028
- Aircraft time: 62,585 hours, 23,322 cycles
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Control Panel
- Part number: G2229
- Part serial: 33
- Condition: Failed
- Location: Atc
- 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/RRXA001040

## Discrepancy

NR 1 TRANSPONDER SQUAKS 7777 NO MATTER WHAT THE INPUT (THE VARIOUS CODES) ON THE BOX IS, NR 2 TRANSPONDER INOP (NO SQUAK) FOR VARIOUS CODES.  REMOVED AND REPLACED ATC CONTROL PANEL, NR 1 AND NR 2 TRANSPONDER, OP CHECKS GOOD IAW DC-8 M/M CH 34-53.

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