# SDR UIEA2024081400827

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2024
- Submitted: August 14, 2024
- Operation: Air carrier
- Aircraft: [N416MC](https://openairdocs.org/aircraft/N416MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32838
- Aircraft time: 15,334 hours, 93,307 cycles
- System (JASC): [2997 · Hydraulic Power System Wiring](https://openairdocs.org/jasc/2997)
- Part: Pin
- Condition: Corroded
- Location: Hyd Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2024081400827

## Discrepancy

ATB, HYD SYS 4 QTY INDICATION LOW #4. A/C ARRIVED WITH 0.75 ON THE #4 HYD SYS. PLACED LOAD ON SYS WITH NO VISUAL HYD LEAKS ANYWHERE AND A STEADY QTY IND SYS 1 & 2 ARE AT 1.20 AND 3 AT 0.97.(<P>R/R THE CORRODED PIN, CLEAN & RECONNECT. C/W FLUID TRANSFER PER AMM 12-12-00. PIN RECONNECT CORRECTED ISSUE. TOP OFF HYD, MX READY.</P>)

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