As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONFIG PARKING BRAKE PARKING BRAKE SET AND TAKEOFF THRUST SELECTED ON ENGINE LT OR RT WARNING. CREW COMMENTS: INTERMITTENT. REPLACED LEFT WEU PER MM, CONFIRMED OPS AND OPC. WEU AND STALL WARNING GRD TEST PASSED. NO MSG. INSTALLED JAL NON-POOL PART, P/N 285W0015-102, S N D00135.