As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED AND REPLACED APU STARTER IAW AMM. DID NOT FIX DISCREPANCY. (LOANER STARTER FROM DELTA). TROUBLESHOT WIRING TO STARTER AND FOUND STARTER GROUND LEADS SHORTED AT TERMINAL/ AIRFRAME SIDE. REPAIRED, REPLACED GROUND LEADS AND TERMINAL ENDS, AND FABRICATED ATTACHING BRACKET IAW DWG AND SWPM. (K)