# SDR TSAA2026030900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2026
- Submitted: March 9, 2026
- Operation: Air carrier
- Aircraft: [N405YK](https://openairdocs.org/aircraft/N405YK), registered now
- Make and model: Boeing 737436
- Aircraft serial: 25267
- Aircraft time: 62,940 hours, 48,257 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Symbol Generator
- Part number: 6229436101
- Part serial: 4077
- Condition: Failed
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA2026030900001

## Discrepancy

NR 1 SYMBOL GENERATOR FAILED.

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