As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ASPSU WILL NOT PASS BITE TEST WRT AMM 52-73-00-0501. REPLACED ASPSU WRT 52-73-18-0401 NO HELP 0557453 07-27-18. PERFORMED ASPSU BITE TEST IAW AMM 52-73-00-05001. ALL CHECKS GOOD TEST IS NORMAL ALL REMAINING STEPS COMPLETED ESR: 52-73-18-01-001A