As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL LEAK ON RT WING BY WW. REPLACED THE RT AFT BOX & NACELLE FUEL BLADDERS. LEAK CHECKED OK. ACFT WAS RETURNED TO SERVICE. THIS SDR IS BEING SUBMITTED DUE TO A TREND OF NUMEROUS B300 WHEELS UP FLEET FUEL BLADDER LEAK REPORTS. BELIEVES THAT THE LEAKING FUEL BLADDERS ARE THE RESULT OF A BAD BATCH FROM ONE MANUFACTURER. THE REPLACEMENT FUEL BLADDERS ARE FROM A DIFFERENT MANUFACTURER HAVE BEEN RELIABLE.