What was found
**WHILE IN HEAVY CHECK** MAINTENANCE FOUND AFT SERVICE DOOR SURROUND EXIT LIGHT DOES NOT WORK. MAINTENANCE REMOVED AND REPLACED EMERGENCY POWER UNIT REF AMM 33-21-00, 33-50-01, AND 33-50-15.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
**WHILE IN HEAVY CHECK** MAINTENANCE FOUND AFT SERVICE DOOR SURROUND EXIT LIGHT DOES NOT WORK. MAINTENANCE REMOVED AND REPLACED EMERGENCY POWER UNIT REF AMM 33-21-00, 33-50-01, AND 33-50-15.