As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EVEN THOUGH THE AFT OVEN IS IN THE OFF POSITION, IT IS STILL PRODUCING HEAT REMOVED FROM SERVICE. PLACED ON DEFERRAL. (RESOLVED ON W/O: 342076 TASKCARD: N/R-00001 ) REPLACED AFT OVEN REF E175 AMM 25-37-02-000/400-803-A AND MCN E250052-001 ISSUE 1. OPS CHECK GOOD. CLR NEF. RETURNED TO SERVICE.