As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAB SEAT 16DG-28DG SEAT EMERGENCY LIGHT FOUND CAN NOT STAY ON FO R 15 MINUTES REF HAECO NON-ROUTINE NO.9487749,ORIGINATED BY EMP V903194,SPEC NO.B777-33-3-7019. PERFORMED BY EMP V903194,REPLACED THE RELATED BATT AND CONDITION AL CHK "NORMAL" AND FUNCTIONAL TEST "NORMAL" REF AMM 33-51-06-96 0-802 REV95,IDT BY TA 407. THIS SHOULD BE SDR ITEM.