What was found
CREW REPORT LT ENG AO VLV STATUS MESSAGE WILL NOT CLEAR. DEACTIVATED AO COOLER VLV IN THE OPEN POSITION IAW MM 75-21-2 MEL 7521G, WORK WITH DF723.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORT LT ENG AO VLV STATUS MESSAGE WILL NOT CLEAR. DEACTIVATED AO COOLER VLV IN THE OPEN POSITION IAW MM 75-21-2 MEL 7521G, WORK WITH DF723.