As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
O2 MASKS DROPPED ROW 18 DEF. O2 DEPLOYED WHEN MOVING MASK. PLACED O2 MODULE AT PAX SEAT 18 DEF ON MEL PER 35-21-01A. M PROCEDURE C/W AND SEATS BLOCKED. PLACARD INSTALLED. OK FOR CONTINUED SERVICE. R & R 02 BOTTLE IAW AMM 35-21. M PROCEDURES REVERSED. MEL AND PLACARD REMOVED. OK FOR SVC. (LP; 8382662). AIRCRAFT WAS GROUNDED