As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CCR POWER CONTROL MODULE ANY POWER CONTROL MODULES (PCMS) IN EITHER LEFT AND RIGHT COMMON COMPUTING RESOURCE (CCR) HAS FAILED WITH ANY ONE OR MORE OF THE FOLLOWING CONDITIONS:1) ANY OF THE PCM FUNCTIONS/OUTPUTS IS AFF ECTED. REPLACED LEFT CCR FAN AND CABINET AS AN ASSEMBLY. REMOVED AND REPLACED L CCR PCM2. GROUND TEST GOOD NO FUTHER FAULT NOTED AT THIS TIME.