# SDR UIEA2024072800757

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2024
- Submitted: August 2, 2024
- Operation: Air carrier
- Aircraft: [N475MC](https://openairdocs.org/aircraft/N475MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29252
- Aircraft time: 99,839 hours, 18,612 cycles
- System (JASC): [2800 · Aircraft Fuel System](https://openairdocs.org/jasc/2800)
- Part: Actuator
- Part number: MA11A1194
- Part serial: T76147
- Condition: Leaking
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2024072800757

## Discrepancy

SUSPECTED FUEL LEAK ENGINE 3. SHUTDOWN ENGINE 3 AT FL340. ENGINE 3 SHOWED OIL PRESSURE 11 PSI AFTER SHUTDOWN.(<P>PERFORMED DVI FOR ENG 3 FOR FUEL LEAKS, NO DEFECT NOTED. RAN ENG, NO DEFECTS NOTED, FUEL FLOW IND NORMAL PER AMM 71-00-00. R/R #3 XFEED VALVE ACTUATOR IAW AMM 28-22-02 & IPC 28-16-01-02.  PER MCC REQ, PERFORMED HIGH POWER ENG RUN ON #2 & #3 ENG WITH NO SIGNIFICANT FUEL USAGE BETWEEN THE ENGINES IAW AMM 71-00-00. C/W OPS CHECK FOR #3 XFEED VALVE ACTUATOR IAW AMM 28-22-02. OPS CHECK NORMAL. NO DEFECTS NOTED. VERIFIED ACTUATOR. EICAS IND MATCH</P>)

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