What was found
AIRCRAFT WAS GROUNDED: SLIGHT DIRTY SOCK SMELL ON DESCENT. REMOVED AND REPLACED APU OIL COOLING FAN IAW MM 49-52-51 AND ACCOMPLISHED APU WASH IAW AMM 45-00-00-100-001-A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: SLIGHT DIRTY SOCK SMELL ON DESCENT. REMOVED AND REPLACED APU OIL COOLING FAN IAW MM 49-52-51 AND ACCOMPLISHED APU WASH IAW AMM 45-00-00-100-001-A.