What was found
BOS - DURING OVERNIGHT MAINTENANCE, EMERGENCY EXIT LIGHT FROM SEAT 18 THROUGH 27 DIM. REPLACED EMERGENCY EXIT LIGHT BATTERY. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BOS - DURING OVERNIGHT MAINTENANCE, EMERGENCY EXIT LIGHT FROM SEAT 18 THROUGH 27 DIM. REPLACED EMERGENCY EXIT LIGHT BATTERY. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)