1. (a) the complaint, if made in writing, or, if not in writing a summary thereof; or, if no complaint has been made, a statement of the facts, and

2. (b) a report showing:

   1. (1) his findings of the facts;
   2. (2) his opinion as to whether or not the condition constitutes a nuisance likely to affect health and whether or not such condition constitutes a violation of any local regulation in the municipality;
   3. (3) the steps, if any, already taken to abate the nuisance;
   4. (4) whether in his opinion the nuisance has been abated.

The health officer, except in municipalities in which a different procedure is prescribed by general or special law, shall also within five days of the receipt of a complaint or of the discovery of the probable existence of a nuisance which may affect health, unless the nuisance has in the meantime been abated and the complainant satisfied, file with the local board of health: