# SDR 9WGA2020060874101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2020
- Submitted: June 8, 2020
- Operation: Air carrier
- Aircraft: [N411SN](https://openairdocs.org/aircraft/N411SN), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48411
- Aircraft time: 74,557 hours, 14,940 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Unknown
- Condition: Vibration
- Location: Fuselage
- Stage of operation: CL
- 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/9WGA2020060874101

## Discrepancy

RETURNED BACK TO ANC SECOND TIME. PASSING 1000 FEET, LOUD BANG SHOOK WHOLE AIRPLANE AND FLIGHT CONTROLS.

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