As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT BLEED TRIP OFF LIGHT ILLUMINATED AT TOP OF DESCENT RESET IAW QRH PROCEDURE. ACFT GROUNDED. ACCOMPLISHED T/C NR NG 36WC 00001. FOUND NR 2 ENG PRSOV HARD TO OPEN & CLOSE & NR 2 ENG PRECOOLER CONTROL VALVE DOES NOT FUNCTION PROPERLY. REPLACED NR 2 ENG PRSOV REF AMM 36-11-04. OPS & LEAK CK GOOD. REPLACED NR 2 ENG PRECOOLER CONTROL VALVE, REF AMM 36-12-02, OP'S CK GOOD.