As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON PERFORMING ASA T/C 72-ASA-03. FOUND DEFECTIVE HELICOIL ON LOCK-OUT OF #2 ENG HPSOV. GROUNDED - YES. PERFORMED ALT-LOCKOUT PROCEDURE IAW B737-9 CHPT 5, 05-07-01 TABLE 3 ITEM #7. REMOVED HPSOV IAW B737-9 AMM 36-11-07-000-801.INSTALLED HPSOV ON #2 ENG AND ACCOMPLISHED OPERATIONAL CHECK IN REF TO AMM 36-11-07-400-801 OPS CHECKS GOOD NO LEAKS NOTED, NO DEFECT NOTED.