diff --git a/app/routers/service.py b/app/routers/service.py
index a8a9d84..c1997ef 100644
--- a/app/routers/service.py
+++ b/app/routers/service.py
@@ -293,9 +293,18 @@ async def update_service_call(
     if not data:
         return error_response("No data provided", 400)
 
+    logger.info(f"PUT /service/update/{id} - received scheduled_date={data.get('scheduled_date')!r}, type={data.get('type_service_call')!r}")
+
     scheduled_datetime_str = data.get('scheduled_date')
     if scheduled_datetime_str:
-        service_record.scheduled_date = datetime.fromisoformat(scheduled_datetime_str)
+        try:
+            service_record.scheduled_date = datetime.fromisoformat(scheduled_datetime_str)
+            logger.info(f"PUT /service/update/{id} - parsed scheduled_date={service_record.scheduled_date}")
+        except ValueError as e:
+            logger.error(f"PUT /service/update/{id} - failed to parse scheduled_date: {e}")
+            return error_response(f"Invalid scheduled_date format: {scheduled_datetime_str}", 400)
+    else:
+        logger.warning(f"PUT /service/update/{id} - scheduled_date is empty/missing, not updating time")
 
     service_record.type_service_call = data.get('type_service_call', service_record.type_service_call)
     service_record.description = data.get('description', service_record.description)
@@ -303,6 +312,8 @@ async def update_service_call(
 
     try:
         db.commit()
+        db.refresh(service_record)
+        logger.info(f"PUT /service/update/{id} - committed, scheduled_date now={service_record.scheduled_date}")
         return success_response({"service": serialize_service(service_record)})
     except Exception as e:
         db.rollback()
diff --git a/main.py b/main.py
index 70b4ae5..30df8bc 100644
--- a/main.py
+++ b/main.py
@@ -8,6 +8,7 @@ from config import load_config
 from sqlalchemy import create_engine, text
 from sqlalchemy.orm import sessionmaker
 
+# TODO: Consider using a more robust configuration management system
 from app.routers import service
 
 
@@ -90,6 +91,7 @@ app.add_middleware(
 
 @app.get("/")
 def health_check():
+    # TODO: Add more comprehensive health checks including DB status
     return {"ok": True, "service": "eamco_service"}