As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 8969644) PASSENGER O2 SYSTEM DID NOT AUTOMATICALLY DEPLOY AT 14000' CABIN ALT. PASSENGER O2 MASKS MANUALLY DEPLOYED AT APPROX 15500' CABIN ALT. RMVD AND REPLACED ALTITUDE PRESSURE SWITCH WITH SERVICEABLE SAME IAW B737 AMM 35-22-41. PERFORMED OPS CHECK PER B737 AMM 22-00-700-801. PAX LIGHT ILLUMINATED @ 14100. ALL CHECKS GOOD.