As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: MAJOR ALTERATION OF THE A/C. EC 321K1002-105ENO REV 06/22/2023 IAW GMM SECTION 6.3.; ACCOMPLISHED INSTALLATION AND ACTIVATION OF AVANT IPIV/VIASTAT/ACC IFEC SYSTEM IN ACCORDANCE WITH AITH STC NO. STO2616LA. EC:321K1002-105ENO REV 6/22/2023.