# SDR 2022FA0000081

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2022
- Submitted: February 10, 2022
- Operation: General aviation
- Aircraft: [N420AW](https://openairdocs.org/aircraft/N420AW), registered now
- Make and model: Cndair CL6002B19
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Fms
- Part number: 4200
- Condition: Abnormal
- Location: Fms
- Stage of operation: NR
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2022FA0000081

## Discrepancy

COLLINS 4200 FMS. KEYS ON KEYBOARD ARE WORE OUT AND WHEN YOU TYPE THE KEYS REPEATS THE SAME NUMBER OR LETTER, 2 TO 3 TIMES. COMPANY REFUSES TO FIX THEM. IMO THIS IS A SAFETY OF FLIGHT ISSUE. ALL AIRCRAFT IN FLEET HAVE THIS PROBLEM. 405-471AW

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