# SDR U5QA201603310077

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2016
- Submitted: March 31, 2016
- Operation: Air carrier
- Aircraft: [N520RP](https://openairdocs.org/aircraft/N520RP), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20032
- Aircraft time: 9,715 hours, 5,806 cycles
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Circuit Card
- Condition: Faulty
- Location: Electrical Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/U5QA201603310077

## Discrepancy

AT ~41000 ELEC FAULT IN FLIGHT THAT RESULTED IN COMPLETE LOSS OF LT SIDE ELEC SYS TEMPORARILY.  DESCENDED TO 31000 & DECLARED EMER.  EVENTUALLY ALL SYSTEMS RETURNED TO NORMAL EXCEPT CYAN ELEC FAULT MSG THAT TURNED AMBER UPON LANDING.  TROUBLE SHOT ELEC FAULT TO NR 1 PCB PROTECTION CARD.  R & R CARD, PN 3585CE03Y06, SN OFF 410 & SN ON 883.  OPERATIONS CHECKED SATISFACTORY IAW AMM 24-61-77.

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