# SDR YENA20150819375

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2015
- Submitted: August 21, 2015
- Operation: Air carrier
- Aircraft: [N504JB](https://openairdocs.org/aircraft/N504JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1156
- Aircraft time: 61,461 hours, 22,944 cycles
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Transponder
- Part number: 066011271101
- Part serial: TRA67A15413
- Condition: Failed
- Location: Atc
- Part time: 21,190 hours, 7,217 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA20150819375

## Discrepancy

DURING CRUISE ATC NR 1 CB TRIPPED, G11, NAC TCAS FAULT AND ASSOCIATED HOT ELECTRICAL ODOR.  ATC SYSTEM, TRANSPONDER SINGLE POSITION.  R & R NR 1 ATC TRANSPONDER IAW AMM 34-52-33, C/B REMAINED CLOSED,  ACCOMPLISHED BITE TEST AND FUNCTIONAL TEST IAW AMM 34-52-00, TEST OK, MX4 UPDATED, PLACARD REMOVED, MCC CONTACTED.

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