As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 651 36-21 1903252 01SEP19 BOS CLOSE HIGH STAGE VALVE 1 FAIL MESSAGE DURING T/O ROLL AT ABOUT 80 KTS. FACT 02SEP19 05:51 MDT R/R HARNESS ASSY TO HIGH STAGE VALVE IN REF TO AMM 71-51-01-400-801. OPS CHECK ENG 1 HSV IN REF TO AMM 36-11-02-700-801. OPS CHECK GOOD AT THIS TIME, OK FOR SERVICE.