What was found
EICAS MESSAGE "L PACK" AT POWER UP. PERFORMED BITE TEST, IAW B767 AMM 21-51-14. TEST FAILED. HARD FAULT. REMOVED AND REPLACED LT CONTROLLER ASSMBLY PACK, IAW B767 AMM 21-51-14. OPERATIONS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EICAS MESSAGE "L PACK" AT POWER UP. PERFORMED BITE TEST, IAW B767 AMM 21-51-14. TEST FAILED. HARD FAULT. REMOVED AND REPLACED LT CONTROLLER ASSMBLY PACK, IAW B767 AMM 21-51-14. OPERATIONS CHECK GOOD.