CUSTOMER STATED : Water backing up into tub, thinks it is the same issue they were having back in March when we came out to repair. TECHNICIAN NOTES : Out to the residence today of the concern of the trailer unit backing up from both bathrooms. Unit is on a septic system that has no been pumped in a while. have recommended to have the septic system pumped before charging the customer. RESOLUTION : No repairs made today. If septic pump out does not clear customer concerns, they will call us back out. JOB NOTES : No exterior clean out on property. Unit is on a septic system per homeowner. JOB STATUS : Job complete.