Q&A - TL 9000 Measurements

The Contact Us function at the top of every page on the tl9000.org website are the preferred means for asking questions and receiving answers from the subject matter experts of the TIA QuEST Forum. Over the last few years many questions have been answered through this means.

These questions relate to understanding the various TL 9000 measurements.

• Number of Problem Reports - NPR
• Fix Response - FRT/OFR
• On-time Delivery - OTD
• Hardware Returns - FR/BRR
• Outage - SO/SONE
• Support Service Outage - SSO
• Software Fix Quality - SFQ
• Software Problem Reports - eSPR
• Service Quality - SQ