Actual job location: Seongnam–Songpa vicinity
Restaurant floor drain blocked by grease sludge
- Symptom
- A Seongnam restaurant's kitchen floor trench backed up before the evening service and stopped operations.
- Diagnosis and work
- Camera inspection found grease and food sludge closing most of a 5 m horizontal run. Rotary cutting and pressure cleaning restored the line before final flow testing.
Video posted 2025-11-16. The posting date is not presented as the job date.
