# SDR CA980909007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Engine: Rroyce RB211535E4
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Antenna
- Part number: DM16013541
- Condition: Failed
- Location: Atc
- Stage of operation: TX
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980909007

## Discrepancy

(CAN) AIRCRAFT RETURNED TO RAMP DUE TO BOTH ATC TRANSPONDERS FAILED.  UPPER ANTENNA REPLACED.

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