As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE CRACKS WERE FOUND IN AFT BULKHEAD (FS 271.92) AT LOWER LT AND RT CORNERS OF CUT-OUT AREA FOR STUB SPAR. BEECH SI0090 R2 DEALS WITH THIS SUBJECT, BUT ONLY APPLIES TO EARLIER AIRCRAFT S/N. BOTH CRACKS WERE LESS THAN .25 INCH, SO ALL 4 CORNERS OF BULKHEAD CUT-OUT WERE REWORKED PER BEECH SI0990 R2.