As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENV - MAINTENANCE REPORTS CABIN EMERGENCY LIGHTING FAILS TO SHUT DOWN WHEN POWER IS REMOVED FROM AIRCRAFT BUSES. MAINTENANCE REMOVED AND REPLACED BOTH 28V POWER SUPPLY PACKS (P/N 6011779, 601179) IN THE OVERHEAD AT ROW 161. OPS CHECK OF ALL EMERGENCY LIGHTING GOOD. (M)