Physical

1. Production Records

1.1. Maintenance Logs

1.2. Plant Logs - baseline set points

2. Scorched Particles / Sediment

2.1. Dryer wash

2.2. VFB wash

2.3. In-line results

2.4. Rework

2.5. Breakdowns/ Restarts

2.6. Investigation Checklist

3. Functionality

3.1. Homo Maintenance

3.2. Milk/Wet Ingredients

3.3. Temperature Profiles

3.4. Evap settings

3.5. Dryer settings

3.6. DSI settings

3.7. Rework

3.8. Free Fat / WPNI

4. Wettability

4.1. Lecithin dosing

4.2. In-line results

4.3. Phospholipids

5. Bulk Density

5.1. Process records

5.2. drying rate

5.3. total solids

5.4. transport of product

6. Sol Index/Insol Index

6.1. Discuss with Technical

7. Lumping/Browning

7.1. water activity

7.2. moisture

7.3. shipping route

7.4. time at docks

7.5. position on ship/ in container

7.6. sample integrity