As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - DURING INSTALLATION OF #1 ENGINE , S/N:42338 FOUND CONNECTOR PLUG 3822 VC-A UNABLE TO THREAD COMPLETELY ON TO 3822VC(PYLON SIDE). REMOVED AND REPLACED ENG1 CONNECTOR 3822VC-A PER AMM 70-71-20. OPS CHECK PENDING. PERFORMED OPS TEST OF ENGINE FIRE AND OVERHEAT DETECTION TEST OK PER: AMM26-12-00.