# SDR 9JLA2013052303759

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2013
- Submitted: May 23, 2013
- Operation: Air carrier
- Aircraft: N393GH
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK240
- Aircraft time: 4,925 hours, 3,826 cycles
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Pcb
- Part number: 12836940861
- Part serial: 650I98
- Condition: Defective
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA2013052303759

## Discrepancy

THE FLIGHT CREW REPORTED THE THE "PLT WARN" CIRCUIT BREAKER POPPED DURING FLGHT. THE CIRCUIT BREAKER DID NOT RESET AFTER 1 ATTEMPT.  TROUBLESHOOTING ISOLATED THE PROBLEM DOWN TO THE A172 PCB, PN 128-364086-1.  THE PCB WAS REPLACED WITH A REPAIRED UNIT IAW THE WDM 33-41-01.  FUNCTIONAL CHECKS WERE SATISFACTORY.

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