As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT N BASE MAINTENANCE. AFT OF BULK CARGO, HEATED SLIDE FITTING CONTROL UNIT 21DH, FAILS BITE TEST WITH FAULT FOR L4 DOOR DUE TO FORWARD SLIDE LOCK FITTING (23DH). REPLACED L4 DOOR FORWARD SLIDE LOCK FITTING PER AMM 30-46-11 AND 52-13-31.