Stock Type Changes: Quality Release (321), Blocking (344/343) and Re-inspection (349)

Business scenario

50 EA of RM-1000 were received into quality inspection. The inspector accepts them. Later a forklift damages 10 EA in the store, which are blocked and then sent for re-inspection.

All companies, numbers and documents are fictional demo data.

Step-by-step flow

1. 01

   Goods waiting in quality inspection open in twin

   50 EA of RM-1000 sit in quality inspection stock. They are valuated but cannot be used.

   It keeps goods out of production and sales until someone has checked them.

2. 02

   The inspector accepts the goods open in twin

   The goods passed inspection. Which movement type releases them?

   The movement type records exactly which status changed, which matters for audit and reporting.

3. 03

   Wrong source stock type open in twin

   343 takes stock from blocked. There is no blocked stock, so SAP refuses: the quantity is not available in that stock type.

   The posting checks the source stock type, so choosing the wrong pair fails with a deficit error.

4. 04

   Release from quality (321) open in twin

   Quality → unrestricted: 50 EA. Unrestricted 500 → 550 EA. No accounting document.

   The goods may now be issued to production or sold.

5. 05

   Damaged goods are blocked (344) open in twin

   A forklift damages 10 EA. They are blocked so nobody uses them: unrestricted → blocked.

   Blocking stops the damaged units being picked or consumed while their fate is decided.

6. 06

   Send for re-inspection (349) open in twin

   Quality wants to check whether the 10 EA can be repaired: blocked → quality inspection.

   The goods are now formally under inspection; the next step is 321 (release) or a scrapping (555 from blocked, 553 from quality).

7. 07

   Same pallets, different status open in twin

   Unrestricted 540, quality 10, blocked 0. Total stock and total value never changed.

   Stock types control what stock may be used for. Value only changes when ownership, material or valuation area changes.

SAP documents

Stock impact

Accounting impact

Movement type

• 321Quality inspection → unrestrictedReversal: 322
• 343Blocked → unrestrictedReversal: 344
• 349Blocked → quality inspectionReversal: 350

Controls what stock may be used for — consumed, sold, or held back — without moving it or changing its value.

Transactions & Fiori apps

Configuration

• QM active in procurement

  Configuration dependent

  Decides whether quality stock is released through usage decisions or MIGO.

• Stock type in the material master / PO

  Configuration dependent

  Post to inspection stock indicator decides whether receipts land in quality inspection.

Prerequisites

• Stock in the source stock type
• For QM-managed materials, an inspection lot and usage decision

Master data

Material master (purchasing / QM views)

Post-to-inspection indicator and inspection setup.

Organizational structure

• Plant 1000
• Storage location 0001

Tables

Integration

• QMUsage decisions post 321 (or scrapping/blocking) automatically.

Common errors

• “Deficit of quality inspection stock”

  Likely causes: Wrong source stock type chosen; Stock already released

  Where to look: MMBE stock types · Material documents

• “321 not allowed in MIGO”

  Likely causes: Material is QM-managed with an open inspection lot

  Where to look: Inspection lot (QA32) · QM view of the material

Troubleshooting

Something went wrong? Work through these checks in order. They are diagnostic questions, not configuration instructions — confirm changes with your system owner.

1. CHECK 1

   Transfer fails

   • Is there stock in the source stock type?
   • Is the material QM-managed?

Interview questions

• Do stock type changes create accounting documents?

  No, not within one plant and material: quality, blocked and unrestricted stock are all valuated own stock, so moving between them changes status but not value. Only changes of material, valuation area or ownership post accounting documents.

• Name the movement types between unrestricted, quality and blocked stock.

  321/322 quality ↔ unrestricted; 343/344 blocked ↔ unrestricted; 349/350 blocked ↔ quality inspection. The second number of each pair reverses the first.

Quiz

Related processes

• 101101 Goods Receipt
• 103 · 105 · 124 · 107 · 109103 GR Blocked

References

• SAP SE — SAP Help Portal: Transfer Postings — Stock Type Changes (source)
• SAP SE — SAP Help Portal: Quality Inspection Stock (source)

Explanations are original. They summarize standard behaviour; always validate against your system's release and configuration.

Version history