What was found
(AIRCRAFT NOT GROUNDED) DURINNG CABIN EMERGENCY LIGHTING CHECK, BATTERY CAPACITY FOUND EPSU FWD LT, DEU-B FAULT. PERFORMED TSM 33-51-00-810-830-A, EXHAUSTED TSM & FAULT REMAINED. REMOVED & REINSTALLED L1 & R1 DOOR SLIDES DURING TSHOOTING IAW AMM 25-62-44-000-012-A, 25-62-44-400-007-A, 25-62-44-000-804-A & 25-62-44-400-803-A. NEW DOOR SLIDE CLEARED FAULT ON R1. DURING INSTALL OF NEW DOOR SLIDE FOUND U/S CORD LOOP ON SLIDE & PLACED SLIDE BAD. GVI OF ORIG R1 DOOR SLIDE & FOUND QUICK RELEASE CONNECTOR ON SLIDES ELECTRICAL HARNESS NOT SECURED. CONNECTED R1 DOOR SLIDE QUICK RELEASE CONNECTOR & INSTALLED EXISTING R1 DOOR SLIDE IAW AMM 25-62-44-400-803-A. NO FAULTS. EPSU OPS CHKD GOOD IAW AMM 33-51-00-710-001-A.