As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"ENG 1 SYS FAULT -FOLLOWED TSM 75-32-00-810-541-A PERFORMED ENG 1 IDLE TEST IAW AMM 71-00-00. NO FAULT INDICATED. DUE TO HITORY, R&R ENG 1 HPC BLEED VALVE IAW AMM 75-32-02. PERFORMED NO.3 POWERPLANT OPERTATION TEST IAW AMM 71-00-00. NO FAULTS INDICATED VALVVE OPERATION NORMAL. AIRCRAFT OK FOR CONTINUED SERVICE NK1971 16 FEB 23"