Investigate Interior Wall Crack

I need a professional to assess a small crack on an interior wall. The crack is less than one foot long and has appeared without any identifiable cause such as construction or water damage.

Requirements:
- Inspection of the crack to determine cause and urgency.
- Provide a detailed report on findings.
- Recommend necessary repairs if needed.

Ideal Skills and Experience:
- Experience with property damage assessment.
- Knowledge of structural integrity issues.
- Ability to provide clear, professional reports.