What was found
VACUUM HOSES ORIGINALLY INSTALLED BECAME BRITTLE AND CRACKED ALONG THE HOSE ALLOWING LEAKAGE INTO SYSTEM. ALL LINES WERE REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VACUUM HOSES ORIGINALLY INSTALLED BECAME BRITTLE AND CRACKED ALONG THE HOSE ALLOWING LEAKAGE INTO SYSTEM. ALL LINES WERE REPLACED.