# SDR 9JLA2014031103596

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2014
- Submitted: March 11, 2014
- Operation: Air carrier
- Aircraft: [N560HN](https://openairdocs.org/aircraft/N560HN), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605015
- Aircraft time: 2,961 hours, 2,356 cycles
- System (JASC): [3445 · Air Collision Avoidance System](https://openairdocs.org/jasc/3445)
- Part: Processor
- Part number: 066011461211
- Part serial: UM90014
- Condition: Defective
- Location: Tcas
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA2014031103596

## Discrepancy

CREW REPORTED THE TCAS SYS FAILED IN FLIGHT.  TROUBLE SHOT & FOUND THE TCAS PROCESSOR DEFECTIVE.  REPLACED THE PROCESSOR WITH A MODIFIED CONDITION UNIT.  FUNCTIONAL TEST SATISFACTORY.

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