# SDR UIEA2026091300876

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2026
- Submitted: September 15, 2026
- Operation: Air carrier
- Aircraft: [N498MC](https://openairdocs.org/aircraft/N498MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29259
- Aircraft time: 108,908 hours, 17,554 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Actuator
- Part number: 33205501
- Part serial: 8732898
- Condition: Leaking
- Location: Spoiler
- Stage of operation: CR
- 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/UIEA2026091300876

## Discrepancy

EICAS MSG HYD PRESS SYS 3 AND HYD QTY LOW 3. COMPLIED WITH QRH. FOUND HYD LEAK FROM RH OTBD SPOILER ACTUATOR NR 9. REMOVED AND INSTALLED SPOILER CONTROL PACKAGE IAW AMM 27-61-05-402-012, APIC 27-61-05-01. OPS CHK AND LEAK CHK GOOD.

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