A physical inspection asks whether the carrier remains cleanable, stable and suitable for the approved movement. Electrical acceptance, contamination control and component packaging acceptance are related but separate decisions. A tray can pass a visual check and still need electrical verification after a process change. Conversely, an acceptable test reading does not make a cracked support safe to use. Record these decisions separately so one successful check cannot hide another unresolved failure.<\/p>\n
Prepare the inspection without disturbing material identity<\/h2>\n
Record the carrier location, the person inspecting it and the reason for review. Inspection may follow receipt, an impact, a cleaning operation, a recurring handling complaint or a planned condition review. If the tray contains material, follow the site’s transfer procedure and preserve the link between each reel, its identifier and its destination. Do not place reels loose on an unapproved table simply to make the inspection faster.<\/p>\n
Choose a well-lit surface where the empty tray can sit normally. Photograph the whole carrier before taking close-ups. Remove loose contamination only by the approved method; do not scrape, polish or conceal a suspected defect before documenting it. If cleaning is required to see a surface, record that intervention. The complementary tray cleaning and release guide<\/a> addresses compatibility and process release rather than structural acceptance.<\/p>\n Inspect the slots in a fixed direction so that every position receives attention. Look for missing ribs, splits, sharp edges, distortion, embedded debris and surfaces that could interfere with reel seating. Use adequate lighting and accessible viewing angles. Do not bend thin ribs to an arbitrary angle to prove flexibility; that can create the very damage being investigated and has no meaning without a validated method.<\/p>\n Check whether the suspected feature is a documented molding characteristic or a new defect. A seam or surface variation is not automatically a crack. Compare with an approved reference sample, prior photographs or supplier guidance when uncertain. Record the location using a consistent orientation, such as the end with the carrier identifier facing the inspector. Avoid vague notes such as ‘broken side’ that become impossible to interpret after the tray is moved.<\/p>\n Examine end walls and the connections between walls, base and feet. Pay particular attention to areas associated with a reported drop or collision. Look for separation, damaged corners, missing material and a change in how the empty carrier rests on the approved surface. A carrier that rocks may have contamination underneath, a damaged support or a distorted base; investigate the cause instead of compensating with cardboard or makeshift shims.<\/p>\n Do not assign a universal allowable crack length or bend tolerance unless the supplier or your validated specification provides it. A small defect at a load-transfer point can matter more than a larger cosmetic mark elsewhere. Where stacking is intended, obtain the approved configuration and inspect the actual contact points. Do not infer stackability from projecting feet or demonstrate it by piling up loaded carriers during an informal inspection.<\/p>\n The following table is a qualitative screening aid. It contains no claimed product limits. Your approved specification and supplier evidence control the final decision, especially where the condition affects material support or operator handling.<\/p>\nCheck ribs and reel-contact surfaces systematically<\/h2>\n
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Inspect end walls, feet and normal support points<\/h2>\n
Use a documented hold and release decision<\/h2>\n