# SDR AALA202310027239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2023
- Submitted: October 2, 2023
- Operation: Air carrier
- Aircraft: [N753US](https://openairdocs.org/aircraft/N753US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1326
- Aircraft time: 54,104 hours, 37,469 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Processor
- Part number: 066500002220
- Part serial: 8048
- Condition: Warning Message
- Location: Zone 100 - Fuse
- Part time: 59,547 hours, 26,745 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: J, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202310027239

## Discrepancy

AIRCRAFT WAS GROUNDED: TCAS AURAL ALERT "TCAS SYSTEM TEST OK" CONTINUES IN FLIGHT EVERY 15-30 SECONDS, BURNING ELECTRICAL ODOR FROM TCAS BOX PULLED CB K10. MAINTENANCE REPLACED ATC/TCAS CONTROL PANEL (AALA202310025988) PER AMM 34-52-10 AND TCAS PROCESSOR PER AMM 34-43-10. (AALA202310027239) A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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