General

• Hull Number Identification and Meaning
  
• Port List Correction
  

Maintenance

• Adjusting Strut Bolts
  
• Persistent Water in the Bilge
  
• Wood and Fiberglass repair techniques

Repair

• See Catalina issued Mods, Fixes, and Construction Details posted under the Wiki Manuals topic
• Gel Coat Patching Paste
  
• Rust streaks on the rudder
  
• Thru-hull Replacement
  
• Rubrail Replacement
  
• Rebedding a Keel Stub 101 The Catalina Smile with Pictures http://c34.org/bbs/index.php/topic,6842.0.html
• Factory fix for keel crack (Catalina smile) and bilge keel bolt leaks PDF - KKloeber 2016-11-25
• Factory fix to remove wood plank in keel stub (pre-1988 models) PDF - KKloeber 2016-12-5

Items of Interest

There are over a dozen Tech Notes on this subject.