# SDR UIEA2025032500388

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2025
- Submitted: March 31, 2025
- Operation: Air carrier
- Aircraft: [N445MC](https://openairdocs.org/aircraft/N445MC), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 33515
- Aircraft time: 90,621 hours, 15,178 cycles
- System (JASC): [2997 · Hydraulic Power System Wiring](https://openairdocs.org/jasc/2997)
- Part: Wire
- Condition: Damaged
- 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/UIEA2025032500388

## Discrepancy

HYD CONTROL 4 ADVISORY MSG IN FLIGHT. CHECKLIST C/W. AIR TURNBACK TO KMIA.(<P>REPLACED WIRE W4261-434-24R AND 24B PER WDM 29-30-11 AND SWPM 20-10-13. TEST GOOD PER AMM 29-31-00.</P>)

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