As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPORT TASK - AFT RIGHT SIDE, FLY ATTENDANT SERVICE UNIT O2 MASK DROP TEST FAIL. TROUBLESHOT FOUND CONNECTOR AT O2 MODULE NOT PROPERLY SEATED. INSTALLED PROPERLY AND SECURED REF SWP 20-35-11. DROP TEST MANUALLY CHECKED NORMAL REF B737 35-22-00. IDT TASK COMPLIED WITH.