As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEFECT FOUND DURING SCHEDULED MAINTENANCE, 100 HOUR INSPECTION. STARTER GENERATOR HAD PRIOR OVERHAUL AND MODIFICATION TO (XL) CONFIGURATION. FOUND 4 BRUSHES WORN LIMIT, 4 WITH UNDER 10 HOURS APPROXIMATE TIME LEFT. STARTER REPAIRED, NEW BRUSHES INSTALLED. POSSIBLE WRONG OR TOO SOFT CARBON COMPOUND.