Service difficulty report · Warning Message · Boeing 767323

Difficulty date
June 15, 2024
Submitted
June 20, 2024
Operation
Air carrier
Aircraft
N399CM
Make and model
Boeing 767323
Aircraft serial
25451
Aircraft time
112,049 hours, 19,423 cycles
Part
Warning Message
Condition
Intermittent
Location
Valve
Stage of operation
TO
How discovered
V
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FWD EQUIP VAL EICAS MESSAGE ON STARTUP. WENT AWAY THEN ON TO ROLL @90 KTS WENT AWAY THEN ON CLIMB BRIEFLY WENT AWAY CAME BACK ON LANDING AND STAYED ON. ACCOMPLISHED FIM 21-58 FAULT TREE 806 AND SSM 21-58-03 EQ COOLING SYSTEM NORMAL.