As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. AFTER EXTENDING LG, SMELLED STRONG HYDRAULIC FLUID SMELL FROM AIR CONDITIONING SYS. ACCOMPLISHED TROUBLESHOOTING IAW CABIN AIR QUALITY JC 26L0021001. REPLACED NLG DOOR OPEN LINE FROM FWD CARGO LT SIDE TO E & E BAY LEAK CHECKED GOOD.