Search Results ahl_route_effectivities




Overview
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Overview

The AHL_ROUTE_EFFECTIVITIES table is a core data object within the Oracle E-Business Suite Complex Maintenance, Repair, and Overhaul (AHL) module. It serves as the primary repository for defining and storing effectivity rules for maintenance routes. In the context of maintenance and service operations, a route defines a sequence of operations or tasks. Effectivity determines the specific conditions under which a given route is applicable, such as for particular inventory items, model configurations, or serial number ranges. This table is therefore critical for ensuring that the correct maintenance procedures are applied to the correct assets, enabling precise and compliant service management.

Key Information Stored

The table's primary key is ROUTE_EFFECTIVITY_ID, which uniquely identifies each effectivity rule. The most significant foreign key columns define the scope of the rule's applicability. The ROUTE_ID column links the effectivity to a specific maintenance route defined in AHL_ROUTES_B. The INVENTORY_ITEM_ID and INVENTORY_MASTER_ORG_ID columns together link the rule to a specific item (part) within a master organization, as defined in MTL_SYSTEM_ITEMS_B. Furthermore, the MC_HEADER_ID column links the effectivity to a specific model configuration (MC) header from the AHL_MC_HEADERS_B table, allowing rules to be based on complex product structures and configurations. Additional columns, implied by the table's purpose, would typically store attributes like effective date ranges, serial number effectivity, and revision information.

Common Use Cases and Queries

A primary use case is validating and retrieving the appropriate maintenance route for a given service request or work order. For instance, when creating a service order for a specific serialized item, the application queries this table to find the valid route based on the item's identity and its current configuration. Common reporting needs include listing all effectivity rules for a particular route or identifying which routes are applicable to a critical inventory item. A sample query pattern to find routes for a specific item would be:

  • SELECT rt.route_name, eff.*
  • FROM ahl_route_effectivities eff, ahl_routes_b rt
  • WHERE eff.route_id = rt.route_id
  • AND eff.inventory_item_id = :p_item_id
  • AND eff.inventory_master_org_id = :p_master_org_id
  • AND SYSDATE BETWEEN eff.effective_from AND NVL(eff.effective_to, SYSDATE);

Related Objects

The table is centrally connected to several key AHL entities. It is a child of AHL_ROUTES_B via the ROUTE_ID foreign key, establishing the core route-effectivity relationship. Its links to MTL_SYSTEM_ITEMS_B and AHL_MC_HEADERS_B define the item and configuration-based applicability. Furthermore, it is referenced as a parent table by AHL_RT_OPER_MATERIALS via the OBJECT_ID column, indicating that material requirements for route operations can also be subject to effectivity rules. This positions AHL_ROUTE_EFFECTIVITIES as a crucial junction table that integrates maintenance procedures with asset-specific and configuration management data.