What was found
L ISOL VALVE EICAS MSG, SWAPPING WITH CTR LEFT ISOLATION VLV. REPLACED AND CHECKED OK. PN 2780539-103.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
L ISOL VALVE EICAS MSG, SWAPPING WITH CTR LEFT ISOLATION VLV. REPLACED AND CHECKED OK. PN 2780539-103.