# SDR 2021FA0000390

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2021
- Submitted: December 13, 2021
- Operation: General aviation
- Aircraft: [N183TF](https://openairdocs.org/aircraft/N183TF), registered now
- Make and model: Lear 45LEAR
- Aircraft serial: 273
- Aircraft time: 5,074 hours, 4,561 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Control Unit
- Part number: C1444863003
- Part serial: 1590
- Condition: Faulted
- Location: Le Flaps
- Part time: 5,074 hours, 4,561 cycles
- Stage of operation: TX
- 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/2021FA0000390

## Discrepancy

PILOT REPORTS A FLAP MISCOMPARE CAS MESSAGE. COMPLIED WITH R&R OF FLAP CONTROL UNIT. OPS CHECKED OK. AIRCRAFT OK FOR RTS.

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