As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EQUIP COOLING MONITOR EHSI-L, VOR-L AND FMCDU-L BALL INDICATORS DONT GO UP IN TEST. CONFIRMED RESPECTIVE SENSI NG LINES STATIC PRESSURE ABOVE 0.80 INCHES OF WATER AS PER MEL. ONLY VOR-L FAILING. CK'D AIRFLOW TO VOR-L,FOUND NORMAL. SECURED LOOSE HOSES AT MONITOR STILL NO HELP. REPLACED MONITOR. OP CHEKD OK FOR SERVICE.