As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BTB "HYD L PUMP FIL" AFTER ENG START . PERFORMED FAULT ISOLATION PROCEDURE 29-10 TASK 801, UP TO ND INCLUDING STEP 801. F. (3) 01/19/2025. REMOVED AND REPLACED #1 ENG ENGINE DRIVEN HYDRAULIC PUMP PER AMM 29-11-01/401. OPS CHECK GOOD. LEAK CHECK GOOD. NO FAULTS NOTES. OK FOR SERVICE.