# SDR UIEA2026081100740

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2026
- Submitted: August 13, 2026
- Operation: Air carrier
- Aircraft: [N412MC](https://openairdocs.org/aircraft/N412MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 30559
- Aircraft time: 105,375 hours, 16,995 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Tru
- Part number: 739860
- Part serial: 2382
- Condition: Faulted
- Stage of operation: CL
- 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/UIEA2026081100740

## Discrepancy

EICAS MSG "ELEC GEN 3". COMPLIED QRH PROCEDURE(<P>AS A PRECAUTIONARY, R/R TRANSFORMER ASSY T4006 PER AMM 24-23-03/401 & IPC 24-23-03-034. PERF IDLE RUN UP OF #2 & #3 ENGINE IAW AMM 71-00-00/501. OPS CHK OK, ALL INDICATIONS NORMAL AND WITHIN LIMITS. FOUND WIRE W6056-306-184 CHAFING AGAINST BRAIDED LINE. REPAIRED WIRE PER WDM 24-21-32-4 & SWPM 20-10-11. PERFORMED HIGH POWER ENG RUN IAW AMM 71-00-00/501, OPS CHECK OK, UNABLE TO RECREATE FAULT.</P>)

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