# SDR G1IA20241015072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2024
- Submitted: October 22, 2024
- Operation: Air carrier
- Aircraft: [N597P](https://openairdocs.org/aircraft/N597P), registered now
- Make and model: Beech C90A
- Registry model: [Beech C90A](https://openairdocs.org/model/beech-c90a) (OpenAirDocs)
- Aircraft serial: LJ1597
- Aircraft time: 8,811 hours, 10,808 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Dpu
- Part number: 6229682004
- Part serial: 330
- Condition: Intermittent
- Location: Zone 200
- Part time: 276 hours, 293 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/G1IA20241015072

## Discrepancy

DISCREPANCY: SHORTLY AFTER TAKE OFF DPU FAIL INDICATION DISPLAYED ON BOTH EFIS SCREENS, THEN A FEW SECONDS LATER BOTH SCREENS WENT COMPLETELY BLANK EXCEPT FOR DPU FAIL MESSAGE. ABOUT TEN SECONDS LATER THE FAILURE INDICATIONS RESOLVED. CORRECTIVE ACTION: REMOVED DPU AND CLEANED CONNECTORS, OPS CHECK SATISFACTORY.

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