What was found
THIS RVSM AIRCRAFT HAD AN ALTIMETRY SYSTEM SPLIT. CONTACTED STC GROUP HOLDER FOR PROPER ROUTING OF STATIC SYSTEM PLUMBING. FOUND CO-PILOTS STATIC SYSTEM INSTALLATION WAS NOT CROSS-COUPLED WITH PILOTS SYSTEM. INSTALLED FABRICATED HOSES TO THE CO-PILOTS SYSTEM TO MEET THE INTENT OF STC NR ST00563DE-D IAW MASTER DOCUMENT LIST. CO-PILOTS STATIC SYSTEM NOT INSTALLED CORRECTLY AT STC INSTALLATION OR SYSTEMS HAVE BEEN ALTERED/MODIFIED POST-STC AND DID NOT FOLLOW APPROVED DRAWINGS.