# SDR UIEA2018101302254

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2018
- Submitted: October 15, 2018
- Operation: Air carrier
- Aircraft: [N472MC](https://openairdocs.org/aircraft/N472MC), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27062
- Aircraft time: 113,034 hours, 18,772 cycles
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Part number: 746011L
- Part serial: 1290
- Condition: Faulty
- Location: Nr 4
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018101302254

## Discrepancy

STATUS MSG ELECTRICAL GENERATOR SYSTEM 4. REMOVED AND REPLACED NR 4 GCU PER AMM 24-23-01, OPS CHECK NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.