As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: REFERENCE LP325283. THIS IS AN SDR REPORTABLE EVENT. HYD Y SYS LO PR CAUTION MSG. CORRECTIVE ACTION: REMOVED & REPLACED PRESSURE PIPE IN YELLOW HYDRAULIC SYS IAW AMM 29-13-489-000-A12-A / AMM 29-13-49-400-813-A PERFORMED OPERATIONAL TEST OF YELLOW HYD IAW AMM 29-00-00-810-007 AND T/R CYCLING TEST IAW AMM 73-29-00-740- BO4 BOTH OPS TEST GOOD & PASSED NO OTHER LEASKS OR PROBLEMS AC OK FOR SERVICE TW STS-17124 DD AUG 30 2023//END/