As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ROUTINE CAR 571 ANNUAL CERTIFICATION TESTS AND FUNCTIONAL CHECKS THE G-SWITCH WAS FOUND TO BE INOPERATIVE. ACCORDING TO TECH RECORDS THE G-SWITCHES, PN 4526506 AND PN 4526503 ONCE IN SERVICE THEY FAIL AFTER APPROXIMATELY 1 TO 2 YEARS. G-SWITCH REPLACED WITH NEW AND TESTED OK.