As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARBURETOR BOX SEAL CESSNA PART MADE FROM THIN PLASTIC, LESS THAN 200 HOURS, AND CRACKS OUT DUE TO VIBRATION. ALL MODEL CESSNAS WITH CARBURETOR AIR BOX SEALS VIBRATE AND CRACK APART INTO ENGINE COMPARTMENT. SUBMITTER STATED SHOULD BE CONSTRUCTED OF MORE DURABLE MATERIAL. REPLACEMENT REQUIRED ALMOST EVERY 100 HOURS.