# SDR IPXA2026062170595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2026
- Submitted: June 23, 2026
- Operation: Air carrier
- Aircraft: [N613UP](https://openairdocs.org/aircraft/N613UP), registered now
- Make and model: Boeing 747-8F
- Registry model: [Boeing 747-8F](https://openairdocs.org/model/boeing-747-8f) (OpenAirDocs)
- Aircraft serial: 64259
- Aircraft time: 29,254 hours, 4,303 cycles
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Idg
- Part number: 766088C
- Part serial: AAAR0Y2140
- Condition: Faulted
- Stage of operation: CR
- 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/IPXA2026062170595

## Discrepancy

AIR TURN BACK.  EMERGENCY DECLARED, LOAD SHED ISLN BUSS TIE 1, 3, 4 ALL OFFLINE ONLY NR 2 BUSS TIE CLOSE, EICAS MESSAGES FOR ALL LOAD SHED. ATB 24:00 FOR PAN PAN.  ELEC GEN SYS 2, ADVISORY MESSAGE 24261 DISPLAYED, FIM TASK 24-11-00-810-805 (GCU & IDG REPLACEMENT), SO R/R ENG2 IDG PER 24-11-01/401, ACFT STILL HAVING ELEC GEN 2 OFF MSG ON, NEED MORE T/S. CONFIRMED ENG 1, 3, AND 4 GENS ARE FUNCTIONING WITH ENG 2 DISCONNECTED.

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