What was found
DURING HEAVY MAINTENANCE: DURING POWER ON, AFT RH EMERGENCY LIGHT WING FAIRING AND CELLING PNL 11 CENTER FUS III WERE FOUND INOPERATIVE; REF TO TOMX WO 2162 NR 00350, EMERGENCY-LIGHT POWER UNIT (ELPU) P/N: 3400-22-10 S/N: 002987 WAS REMOVED PER EMB 190 AMM 33-50-01-000-801-A AND EMERGENCY-LIGHT POWER UNIT (ELPU) P/N: 3400-22-10 S/N: 010038 WAS INSTALLED PER EMB 190 AMM 33-50-01-400-801-A. SATISFACTORY TEST.