Timothy Tero has lived on Sierra Madre Drive in New Orleans East for 30 years, but for the past 11 months, he’s been dealing with a major issue — the sidewalk in front of his home is sinking.”I noticed the sidewalk had started sinking back in August; that’s when I initially called,” said Tero.After noticing the major depression forming on his front lawn from the sinking sidewalk, he reached out to the Sewerage and Water Board in August of 2023.”I spoke to six customer service reps. Nobody could tell me what the status is,” said Tero.Eventually, SWBNO sent out a crew in March of this year to conduct a CCTV test.”Blue flash came out; that’s the company that SWBNO contracts with to do videos,” he said. “So they did the video, they said they had a breakage here and a breakage in the street. SWBNO video specialists came out, also …