# SDR M3XA20180429804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2018
- Submitted: April 30, 2018
- Operation: Air carrier
- Aircraft: [N408UT](https://openairdocs.org/aircraft/N408UT), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53808
- Aircraft time: 3,905 hours, 18,455 cycles
- System (JASC): [3340 · Exterior Lighting](https://openairdocs.org/jasc/3340)
- Part: Bolt
- Part number: 01077015500
- Part serial: UNK
- Condition: Broken
- Location: Light
- Part time: 602 hours, 2,970 cycles
- 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/M3XA20180429804

## Discrepancy

ACFT LANDED DUE TO AN UNUSUAL VIBRATION.  ON EVALUATION OF THE ACFT PILOT NOTICED THE LT SCENE LIGHT HOUSING BOLT WAS BROKEN.  MAINTENANCE REMOVED THE LIGHT HOUSING, SECURED WIRING.

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