As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) BEARING WITHIN RT ENGINE AIR CONDITIONING COMPRESSOR DRIVE PULLEY DISINTEGRATED WHICH GREATLY CAUSED FURTHER HARM TO ITS ASSOCIATED PARTS. THE QUILL SHAFT, COMPRESSOR DRIVE PULLEY, COMPRESSOR MOUNT ASSEMBLY, DRIVE SUPPORT, BEARING SHIMS AND SPACER, AND DUAL BELT (COMPRESSOR DRIVE BELT) HAVE HAD IRREVOCABLE DAMAGE. QUILL SHAFT DID NOT SHEAR. (TC NR 20070126010)