As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) VACUUM PUMP FAILED. INVESTIGATION FOUND THE PUMP JAMMED AND FULL OF CARBON VANE DEBRIS. DRIVE SHAFT FAILED AT SPLINED SECTION AND NOT AT SHEAR POINT AS DESIGNED. PUMP IS OUTSIDE OF THE SN RANGE AS INDICATED IN TEMPEST SB-003. (AD/SB DESC: TEMPEST SB-003 ) (OTHER CAUSE: MATERIAL ) (CASA NR 510001901)