As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ARMATURE, PN PO55742-7, ANTI-DRIVE END BAND DETACHED. THE WINDINGS AT ANTI-DRIVE END RUBBED STATOR/FRAME ASSEMBLY WINDINGS TEARING BOTH WINDINGS FROM ARMATURE AND STATOR APART. BRUSH RIGGING HOLDERS BENT/DEFORMED AND END BELL CRACKED. DRIVE END BEARING BALLS AND CAGE DISINTEGRATED.