# SDR UIEA2025052600695

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2025
- Submitted: May 27, 2025
- Operation: Air carrier
- Aircraft: [N408MC](https://openairdocs.org/aircraft/N408MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29261
- Aircraft time: 101,754 hours, 17,116 cycles
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Panel
- Condition: Damaged
- Location: Speed Brake
- Stage of operation: DE
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025052600695

## Discrepancy

DURING DESCENT, A/C EXPERIENCED HIGH FREQUENCY VIBRATIONS DURING SPEED BRAKE APPLICATIONS. ONCE LANDED IN HKG, STATION NOTICED THE #6 SPEED BRAKE PANEL ASSY DAMAGED / SEPERATED IN FLIGHT.(<P>R/R #6 SPOILER IAW AMM 27-62-01 AND OPERATIONAL CHECKS NORMAL</P>)

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