As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ROSEMOUNT STATIC PORTS DO NOT FIT CONTOUR OF AIRCRAFT SKIN. PORTS ARE NOT UNIFORM IN THICKNESS. CAN NOT INSTALL NEW PORT AND MATCH STEP HEIGHT TO MEET ORIGINAL RVSM CERTIFICATION. OTHER ISSUES: WHEN PORT IS INSTALLED, PORT CAUSE STRESS. AC SKIN DO TO CONTOUR FIT. INSTALLATION OF PORT ALSO PUTS STRESS ON PLATE TO HEATER BLOCK AND CAUSES CRACKING IN THE MATING SURFACE CAUSING PORT TO HAVE STATIC SYSTEM LEAK. (K)