# SDR UIEA2025010400002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2025
- Submitted: January 8, 2025
- Operation: Air carrier
- Aircraft: [N415MC](https://openairdocs.org/aircraft/N415MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32837
- Aircraft time: 89,220 hours, 15,003 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Valve
- Part number: 32052213
- Part serial: GRTB9247
- Condition: Faulted
- Location: Zone 400
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025010400002

## Discrepancy

ENG 4 T/R EICAS CAUTION MESSAGE(<P>REMOVED AND REPLACED #4 ENGINE DIRECTIONAL PILOT VALVE IAW AMM 78-34-01/401. OPS CHECK NORMAL. DMI 223578 CLOSED</P>)

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