What was found
STC SA13GL INSTALLATION. IN BOTH BRAKE ASSEMBLIES, 30-63A, THE 091-02200 CYLINDER ASSEMBLIES WERE FOUND TO BE CRACKED ACROSS AND PARALLEL TO THE 069-00400 ANCHOR BOLT HOLE. THIS IS THE SECOND AIRCRAFT, FOUND WITH CRACKS IN THE 091-02200 CYLINDER ASSEMBLIES. THIS AREA IS READILY ACCESSIBLE AND SHOULD BE PART OF THE PREFLIGHT INSPECTION. THE CRACKS ARE EASILY SEEN, WHEN LOOKING FOR THEM. (K)