# SDR DALA2017052504231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2017
- Submitted: May 25, 2017
- Operation: Air carrier
- Aircraft: N669US
- Make and model: Boeing 747451
- Aircraft serial: 24224
- Aircraft time: 113,030 hours, 13,700 cycles
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Spoiler Sys
- Condition: Vibration
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2017052504231

## Discrepancy

RETURNED TO DEPARTURE DUE TO AIRFRAME VIBRATIONS.  REPLACED SPOILER CONTROL PACKAGE IAW AMM.

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