# SDR 2024F00120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2024
- Submitted: April 22, 2024
- Operation: General aviation
- Aircraft: N804WA
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49345
- Aircraft time: 88,841 hours, 40,383 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Processor
- Part number: 8184003
- Part serial: 97121043
- Condition: Malfunctioned
- Location: Navigational
- Part time: 88,841 hours, 40,383 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2024F00120

## Discrepancy

BOTH NAVIGATION DISPLAYS HDG FAILED, AND VNAV FAILED.

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