What was found
AFTER SWITCHING POWER FROM GROUND TO APU. ALL AIRCRAFT OXYGEN MASKS DEPLOYED. RESTORED ALL THE OXYGEN MASKS AND OPS CHECKED NORMAL IAW AMM 35-22. ACFT OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER SWITCHING POWER FROM GROUND TO APU. ALL AIRCRAFT OXYGEN MASKS DEPLOYED. RESTORED ALL THE OXYGEN MASKS AND OPS CHECKED NORMAL IAW AMM 35-22. ACFT OK FOR SERVICE.