As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REF: AIR CONDITIONING INSTALLATION DRIVE BELT SERVICE HISTORY: BROKEN AND REPLACED AT 135.7 TT 4/4/96. BROKEN AND REPLACED AT 213.4 TT 7/16/96. BROKEN AND REPLACED AT 283.0 TT 7/25/97. BROKEN AND REPLACED AT 504.1 TT 6-16-98. SUBMITTER STATED BELTS WERE REPLACED IAW SM 21-50-00 REV 7-1-97, WHICH IS CURRENT AND S/L 903A. EVEN WHEN ALIGNED WITH GREAT CARE, THIS IS VERY TYPICAL OF SERVICE LIFE.