As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE VISIT: DONT PASS OPERATIONAL TEST, DOOR CONTROL UNIT SLIDE HEATING (3DH) IN FWD AVIONIC COMPARTMENT (1 EA). REPLACED CONTROL UNIT SLIDE HEATING (3DH) IN FWD AVIONIC COMPARTMENT IAW AMM 30-46-34-400-801-A STEP 1 THRU 3.A(2) AND 4 THRU 5.