# SDR 9JLA2022042624561

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2021
- Submitted: April 26, 2022
- Operation: Air carrier
- Aircraft: [N64LV](https://openairdocs.org/aircraft/N64LV), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600345
- Aircraft time: 8,039 hours, 5,907 cycles
- System (JASC): [3445 · Air Collision Avoidance System](https://openairdocs.org/jasc/3445)
- Part: Tcas System
- Part number: 066011450101
- Part serial: 2021
- Condition: Failed
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA2022042624561

## Discrepancy

THE FLIGHT CREW REPORTED THAT UPON POWER UP THE TCAS FAILED INITIALIZATION. THE BASE MAINTENANCE TEAM DETERMINED THE TCAS PROCESSOR HAD FAILED. THE TCAS UNIT WAS REMOVED AND A TESTED TCAS UNIT WAS INSTALLED. OPS CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.

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