As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REBUILT T WAS DETERMINED TO BE FAULTY OUT OF THE BOX BY THE SHOP TECHNICIAN PERFORMING INSTALL OF MAGNETO TO THE AIRCRAFT. TECHNICIAN TESTED AND VERIFIED REBUILT MAGNETO WAS FAULTY OUT OF THE BOX. TECHNICIAN REMOVED FAULTY OUT OF THE BOX MAGNETO FROM THE AIRCRAFT AFTER INSTALL AND TESTING AND INSTALLED A PROPER WORKING MAGNETO APPLICABLE TO THE AIRCRAFT WITH SUCCESSFUL OUTCOME OF NEW MAG BEING INSTALLED.