As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEATHER RADAR AURAL WARNING GO AROUND WINDSHEAR AHEAD VOLUME MUTED AND TOO QUIET. TEST VOLUME ALSO NOT THE SAME WITH SUBSEQUENT TEST PORTIONS ARE LOUDER THAN OTHERS, BUT NOT EVERY TIME. INTERMITTENT VOLUME CHANGES. FOUND WIRE MISPINNED ON CONNECTOR D189B (WEATHER RADAR R/T). REPINNED WIRE IAW WDM 34-41-11. SYS OPS CHECKS GOOD IAW AMM 34-43-00-710-802-001.