What was found
ACTIVE, CURRENT, FAULT 49-94300,OIL FILTER, START GENERATOR SHOWS SHORT CIRCUIT. APU DID NOT EXPERIENCE A START FAULT, ACFT GROUNDED. IAW FIM 49-90, TASK 810: DETERMINED MOST LIKELY DEFECT TO BE: START GENERATOR OIL FILTER INDICATOR, ELECTRIC SWITCH. R & R FILTER INDICATOR WITH NEW. IAW AMM 49-91-13. PRECAUTIONARY CHANGED START GEN OIL FILTER: IAW AMM 49-91-12. FAULT CLEARED AFTER WORK & OPS CK.