# SDR NSVA2010198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2010
- Submitted: October 25, 2010
- Operation: Air carrier
- Aircraft: [N220MJ](https://openairdocs.org/aircraft/N220MJ), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 220
- Aircraft time: 43,250 hours, 40,571 cycles
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Dpu
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NSVA2010198

## Discrepancy

LT EADI FAILED IN FLIGHT.  SLIGHT ELECTRICAL BURNING SMELL, PULLED CB G18 LT EADI SCREEN BLACKED OUT.  REPLACED LT EADI SCREEN IAW SAAB AMM 34-24-10, REPLACED LT DPU IAW SAAB AMM 34-24-20.

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