Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
KSB-191007
Letter to dealers for KSB-191007. This process describes the repair where under certain temperature conditions the Norco slide cable system gearbox may leak oil/grease on the slide roof membrane. The KSB describes how to install a drip pan to prevent damage to the roof membrane, and make repairs if necessary.
16-257
THIS COMMUNICATION IS AN EMAIL INFORMING DEALERSHIP SERVICE DEPARTMENTS OF ADVISORY 16-257 FOR THE SPRINGDALE TANK CLEARANCE.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.