# SDR IPXA2024082251917

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2024
- Submitted: August 22, 2024
- Operation: Air carrier
- Aircraft: [N615UP](https://openairdocs.org/aircraft/N615UP), registered now
- Make and model: Boeing 747-8F
- Registry model: [Boeing 747-8F](https://openairdocs.org/model/boeing-747-8f) (OpenAirDocs)
- Aircraft serial: 64261
- Aircraft time: 20,619 hours, 3,070 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Control Unit
- Part number: 1713671
- Part serial: AAKH000321
- Condition: Warning Message
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2024082251917

## Discrepancy

DURING FLIGHT WE HAD MULTIPLE EICAS, TEST AND STATUS MESSAGE THAT CONTINUED TO DISPLAY BCU-1 REPLACED AND PFMD GROUND TEST EPGS(BCU-1) TEST "PASS" IAW AMM 24-23-01-000-801 AND AMM 24-23-01-400-801.

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