As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEAT 30D CEILING EMERGENCY LIGHT OUT. CORRECTIVE ACTION: REPLACED SEAT 30D CEILING EMERGENCY LIGHT LAMP. FOUND ONLY WIRE W3534-9056-16 (W0634-0001-20) ON LAMP BASE. OTHER WIRE COULD NOT BE LOCATED, LOCATED GROUND WIRE, RECONNECTED OP'S CK OK. REF B757 WDM 33-51 (4874128)