As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INACCURATE READINGS PLUS OR MINUS 60 FEET CAUSED BY INCORRECT JEWEL ASSY MISSING A CAP JEWEL. THIS ALLOWED PIVOT SHOULDER TO RIDE AGAINST JEWEL FACE. SUBMITTER STATED FROM THE LOOKS OF WORK DONE, IT INDICATES POOR WORKMANSHIP AND LACK OF TRAINING. RECOMMEND THAT ONLY QUALIFIED PERSONNEL WORK ON CRITICAL DEVICES.