# SDR 9JLA201403117952

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2014
- Submitted: March 11, 2014
- Operation: Air carrier
- Aircraft: [N741RD](https://openairdocs.org/aircraft/N741RD), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK432
- Aircraft time: 3,040 hours, 2,885 cycles
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Ammeter
- Part number: 1283800793
- Part serial: 409
- Condition: Shorted
- Location: Electrical Sys
- Stage of operation: NR
- 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/9JLA201403117952

## Discrepancy

CREW REPORTED THAT THE ENG INSTRUMENT LIGHTS WERE INOPERATIVE.  TROUBLESHOOTING IDENTIFIED THE DC VOLT AMMETER TO BE SHORTED INTERNALLY.  REMOVED THE DEFECTIVE METER PN 128-380079-3 SN 409 & INSTALLED AN OVERHAULED UNIT.

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