What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AFT CARGO DOOR LIGHT ILLUMINATED ON MULITPLE OCCASION IT IS A REPEAT DISCREPANCY; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW. **SUPPLEMENTAL REPORT FOR (AALA202406036250): CHECKED FOR POWER AND GROUND AT INDICATION SWITCH PER FIM 52-30-00-810-803 ALL CHECKED GOOD. CHECKED FOR CONTINUITY OF INDICATION SWITCH, CHECKS GOOD. CHECKED EXTENSION OF AFT INDICATION SWITCH FOUND TO BE 8 MM, READJUSTED EXTENSION OF INDICATION SWITCH TO 21 MM PER AMM 52-71-31. OPERTIONAL CHECK GOOD OF AFT CARGO DOOR. PRESSURIZED AIRCRAFT TO 4, PUSHED ON AFT CARGO DOOR, CARGO DOOR INDICATED CLOSED**(CLOSED).