What was found
DURING T/C #78233008 EMERGENCY LT OPS CK FOUND RT AFT OVERHEAD EXIT SIGN, RT AFT SIDEWING EMER LIGHT INOP. GROUNDED - YES. R & R EXIT SIGN O/W DOOR RT AFT, REF AMM 33-51-01. NO HELP. R & R RT EMERGENCY POWER SUPPLY & BATTERY REF AMM 33-51-06. NO HELP. ACCOMPLISHED DC VOLTS CK AT OVRW EXIT SIGN CONNECTORS RESULTS 6.2VDC REF WD 33-51-13-4. TRANSFER RT AFT SIDEWING EMER EXT. LIGHT TO L/P 61182158. R & R BATTERY PACK REF M/M 33-51-06. NO HELP. FOUND GROUND WIRE W4142-0356-16 NOT FULLY SEATED IN GROUND BLOCK GD3996-DC. SECURED GROUND WIRE W4142-0356-16 REF SWPM 20-20-00. ALL EMER LIGHTS OPS CHKS GOOD IAW AMM 33-51-00-710-801. ALTERNATE DE-ACTIVATION PROCEDURES USED IAW MPM CH5, 5-07-01, TABLE 3.