Here we would like to draw your attention to S_ALR_87013561 transaction code in SAP. As we know it is being used in the SAP PS-IS (Information System in PS) component which is coming under PS module (Project Systems).S_ALR_87013561 is a transaction code used for Availability Control in SAP.
It comes under the package KAP1.
SAP S_ALR_87013561 menu path
See the possible menu paths to access the same report by avoiding entering the transaction code.
Information Systems → Project System → Financials → Costs → Budget-Related → Availability Control
Information Systems → General Report Selection → Controlling → Projects → Costs → Budget-Related → Availability Control
Transaction S_ALR_87013561 technical data table