As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L2 DOOR FLIGHT ATTENDANT OXYGEN MASK DOOR DOESN'T UNLATCH DURING MANUAL RELEASE CHECK. TROUBLESHOOT THE FLIGHT ATTENDANT OXYGEN MASK DOOR LATCH. FOUND PIN F ON 7227VT NOT SEATED. REINSTALLED THE PIN IAW AWM 35-23-06, P 0105, SHEET 1. OPS CHECKED GOOD IAW AMM 35-23-00-710-001-A.