Final answer:
Without additional context, it's not possible to determine which document is used for documenting repairs and alterations as codes like AB-513, AB-506, AB-51, and AB-40 could refer to various industry-specific documents.
Step-by-step explanation:
The document used to document repairs and alterations is typically specified within a particular industry or regulatory context. However, without additional context such as the industry or regulatory body the codes refer to, it is not possible to provide a definitive answer as to which document, such as AB-513, AB-506, AB-51, or AB-40, is used for documenting repairs and alterations. These codes could refer to many different documents, standards, or forms depending on the context, such as aerospace, construction, plumbing, electrical, or other industries. In many cases, organizations and governments have specific forms and procedures for documenting these types of work.