As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE NR 1 FAILED TO START. START VALVE OPEN LIGHT ILLUMINATED WITH START SWITCH, BUT NO ENGINE ROTATION. ACFT GROUNDED. FOUND STARTER SHAFT SHEARED, INSP MAG CHIP PLUG NO DEBRIS. REMOVED NR 1 ENG STARTER ASSY REF MM 80-11-01-00-801 INSTALLED STARTER REF MM 80-11-01-400-801, 71-00-00-700-809, & 71-00-00-700-801. LEAK CKD & OPS CKD NORMAL.