As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GUIDE ASSY, PN A432-1, INSTALLED IMPROPERLY WHICH RESULTED IN P/P TUBE TO CHAFE THROUGH CONTROL TUBE AT LOWER END. LOCATED IN HORIZONTAL FIREWALL B238-1 BOLTS. SUBMITTER STATED TO INSPECT INSTALLATION OF GUIDE ASSY FOR FULL ADJUSTMENT BEFORE INSTALLING P/P TUBES.