As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN O2 MASKS 3CD - 7CD - 8CD WILL NOT DEPLOY, RESOLVED ON W/O: 22160 TASKCARD: N/R-00055. ADJUSTED LATCHES AT ROWS 3CD - 7CD - AND 8CD IAW CRJ 200 AMM 35-21-05. OPERATIONAL CHECK OF THE PASSENGER OXYGEN SYSTEM COMPLIED WITH IAW CRJ 200 35-20-00. NO DEFECTS NOTED AT THIS TIME, MV 22816 04/29/2006.