# SDR UIEA2022080100795

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2022
- Submitted: August 2, 2022
- Operation: Air carrier
- Aircraft: [N487MC](https://openairdocs.org/aircraft/N487MC), registered now
- Make and model: Boeing 747-45EF
- Registry model: [Boeing 747-45EF](https://openairdocs.org/model/boeing-747-45ef) (OpenAirDocs)
- Aircraft serial: 30609
- Aircraft time: 89,559 hours, 16,590 cycles
- System (JASC): [2423 · Phase Adapter](https://openairdocs.org/jasc/2423)
- Part: Bushing
- Part number: 746013J
- Part serial: 1498
- Condition: Fault Message
- Stage of operation: TO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022080100795

## Discrepancy

ELEC AC BUS 1 EICAS MESSAGE(NO MSG FOUND. REMOVED AND REPLACED #1 BCU IAW AMM 24-23-01/401. OPS CK GOOD.</P>)

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