# SDR UIEA2025083001150

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2025
- Submitted: September 2, 2025
- Operation: Air carrier
- Aircraft: [N408MC](https://openairdocs.org/aircraft/N408MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29261
- Aircraft time: 102,775 hours, 17,269 cycles
- Engine: Ge CF680C2B5F
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Solenoid
- Part number: 2718799
- Part serial: 0723
- Condition: Faulted
- Location: Nr 4 Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025083001150

## Discrepancy

ENG 4 FUEL VALVE EICAS, ENG 4 FUEL VALVE STATUS, #4 ENG WOULD NOT SHUT DOWN UPON FUEL CONTROL SWITCHING OFF POSN. L13 CB FOUND IN OUT POSITION.(<P>R/R SOLENOID FUEL SOV PER AMM 73-21-20 & IPC 73-21-14-01 ITEM 67. PFM #4 ENG IDLE RUN CHK, NO LEAK FND.</P>)

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