As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND OXYGEN FILLER VALVE IN TOP OF GREASY NOSE WHEELWELL. FOUND VERY DIFFICULT LOCATION TO SERVICE OXYGEN AND KEEP OXYGEN SERVICE EQUIPMENT CLEAN WHILE DOING SERVICING. FEEL THIS IS A DANGEROUS LOCATION FOR OXYGEN EQUIPMENT TO BE INSTALLED AND CERTIFIED.