As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) GASKET PN 3007342 AND SUBSEQUENT SUPERCEDURE TO 3039936 ARE THE ONLY GASKETS SPECIFIED FOR USE ON THE CABIN BLEED AIR PORT. THE 3039936 GASKETS ARE MADE OF A FIBER OR OTHER MATERIAL NOT WELL SUITED TO THIS HOT AND HIGH PRESSURE AREA. OTHER ENGINES LIST A METAL GASKET OPTION PN 3029677 AS APPROVED FOR INSTALLATION AT THIS PORT. MFG HAS BEEN NOTIFIED OF THIS ISSUE IN THE -42 IPC. (TC NR 20061012004)