As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING NR 1 TANK, VENT TUBE IS CHAFED ON LOWER SIDE. LOCATED ON TOP OF WING RIB AT WS 601.50. ACCOMPLISHED LEFT WING VENT LINE CHAFING REPAIR AT STA 601.5 IAW WITH AVITAS ENGINEERING REPAIR ORDER 99AVHM.052R0-1 RIV IR. 8110-3 DATED 7-22-99 ISSUED. REF: N/R 1852. (X)