What was found
BLEED VALVE OPENED IN FLIGHT, TROUBLESHOOTING. FOUND TACH BOX NOT WORKING. INSTALLED SERVICEABLE UNIT. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BLEED VALVE OPENED IN FLIGHT, TROUBLESHOOTING. FOUND TACH BOX NOT WORKING. INSTALLED SERVICEABLE UNIT. (M)