What was found
FWD EQUIP VALVE EICAS AFTER ENGINE START, MOVED SWITCH TO STAND BY MSG DID NOT CLEAR. REMOVED AND REPLACED OVERBOARD EXHAUST VALVE IAW AMM 21-58-05.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FWD EQUIP VALVE EICAS AFTER ENGINE START, MOVED SWITCH TO STAND BY MSG DID NOT CLEAR. REMOVED AND REPLACED OVERBOARD EXHAUST VALVE IAW AMM 21-58-05.