# SDR UIEA200015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2009
- Submitted: January 30, 2009
- Operation: Air carrier
- Aircraft: [N418MC](https://openairdocs.org/aircraft/N418MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32840
- Aircraft time: 27,333 hours, 4,053 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Circuit Card
- Part number: 28ST003520228ST0
- Part serial: D04667D03865
- Condition: Multiple Fail
- Location: Zone 100
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA200015

## Discrepancy

ACFT DIVERTED. STATUS MESSAGE POWER SUPPLY.  MULITIPLE CORRELATED MESSAGES DISPLAYED.   REPLACED POWER SUPPLY "A" CARD AND SYSTEM OPERATED NORMAL.  POWER SUPPLY "B"  CARD REPLACED AND OPERATES NORMAL.

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