As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON T/O ROLL, A BLEED CAUTION LIGHT APPEARED FOLLOWED BY BLD WARNING LIGHT. T/O ABORTED. NO CMC RELATED MESAGES FOUND ON MFD DOWNLOAD. FIX: PERFORMED AIR BLEED SYS OPS CHECK/TEST IAW AMM 36-00-00-700-803-A. OPC CHECK GOOD. NO MESSAGES FOUND. OK FOR SERVICE AT THIS TIME.