As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L PACK LIGHT CAME DURING T/O ROLL. ABORTED T/O AT 75-80KTS. GROUNDED - YES. INSPECTED AND FOUND LEFT PACK/ZONE FAULT LIGHT STAYING "ON". WOULD NOT RESET. ATTEMPTED TO PERFORMED BITE PER 21-60-00-700-806-002. NO HELP. ACCOMPLISHED TASK 21-62 TASK 802. CONFIRMED LH PZTC INOP. RMVD AND INSTALLED NEW LH PZTC REF 21-61-20. PERFORMED BITE PER 21-61-00. NO FAULTS LOGGED. GROUND RAN LEFT PACK FOR 1HR. SYS OPS TESTS NML. REF 21-00-00.