What was found
DURING MX INSPECTION, FOUND LIGHTED EMERGENCY "EXIT" SIGN ON THE AFT SIDE OF THE AFTER GALLEY WALL IN FRONT OF ROW 3 BC, DID NOT ILLUMINATE. ACFT REMOVED FROM SERVICE. FOUND BACK SHELL LOOSE ON CONNECTER P8003, TIGHTENED CONNECTER IAW SWPM 20-50-00. OPS CHECKED GOOD IAW AMM 33-50-00. ACFT RETURNED TO SERVICE.