1. Material Requirement Planning
  2. Process
  3. Exception investigation
Process · Exception investigation

Exception investigation

Trace a dated MRP exception to the source evidence and review the correction before relying on a new plan.

Step by step

  1. Identify the exception Production Planner

    Production Planner checks the run, item, need date, shortage quantity and reason. Read the resolution date before treating a dated issue as unresolved. Keep the affected requirement visible during the investigation.

    • Establish the recorded issue
    • Updates MRP exceptions, MRP runs, Items
  2. Trace the demand Production Planner

    Production Planner follows the pegged requirement to its customer line and order. Compare the component quantity and need date with approved demand. Open the actual document named in a supply reference before accepting coverage.

    • Identify the customer requirement
    • Updates Demand pegging, Order lines, Orders
  3. Check the cause Production Planner

    Production Planner compares stock reservations and dated purchasing and production supply. Production Operator assists with permitted evidence. For an engineering or lead-time issue, obtain the evidence through the connection agreed with the source owner.

    • Compare actual supply evidence
    • Updates Inventory balances, Purchase lines, Purchase orders, Work orders
  4. Record a supported resolution Production Planner or Production Operator

    Production Planner or Production Operator enters the resolution date after the source issue has been addressed. Keep the supporting explanation available through the team's agreed operating procedure so another person can review the correction.

    • Record the resolution date
    • Updates MRP exceptions
  5. Review the corrected plan Production Planner

    Production Planner checks the affected quantities and dates and starts another run when appropriate. Compare the result with the customer requirement and current supply. Prepare the separate plan approval review once the remaining issues are understood.

    • Reassess coverage
    • Updates MRP runs, Planning suggestions, MRP exceptions

Where it usually breaks

And how to keep it from happening.

  • A shortage is marked resolved before the warehouse quantity or supplier date changes.
  • An overdue issue with a recorded resolution is counted as still open.
  • Staff compare suggestions for different items or planning windows.
  • A supply reference is accepted without opening the current commitment.
Production Planner
, Production Operator, Quality Reviewer, Manager.
Quality Reviewer
Reads the evidence; configure Manager's separate plan approval responsibility during setup.

Set up Material Requirement Planning your way.

Start free, then use Proto to change fields, steps and approvals before your team goes live.

How to get started