What was found
AFTER NORMAL ENGINE START, OBSERVED NR 2 ENGINE OVERHEAT ANNUNCIATION. ALL START INDICATIONS NORMAL. ACFT GROUNDED. PERFORMED ENGINE OVERHEAT FIRE DETECTION TEST IAW TASK 26-10-00-710-801. FOUND NR 2 ENG OVERHEAT DETECTION LIGHT JAMMED. RESECURED LIGHT, RESET ALL CIRCUIT BREAKERS. RAN NR 2 ENG GATE AND ALL INDICATIONS CHECK NORMAL. ON ENGINE START, NR 2 ENG OVERHEAT LIGHT ILLUMINATED. ALL ENGINE START PARAMETERS NORMAL. ABORTED ENGINE START. CHECKLIST ACCOMPLISHED. REPEAT WRITE-UP. INSPECTED ALL A&B FIRE LOOPS. FOUND LOWER B LOOP TOUCHING MOUNTING ATTACHMENT. SECURED LOOP IN CORRECT POSITION. ACCOMPLISHED FIRE AND OVERHEAT DETECTION TASK NR 26-10-00-710-801. NO FAULTS NOTED. BITE TESTED FIRE DETECTION CONTROL UNIT AND NO FAULTS. RAN NR 2 ENG FOR 5 MIN AND NO FAULTS. REPEAT WRITE UP STARTED NR 2 ENG. EGT REACHED 520C. BEFORE ROLL BACK, NR 2 ENG OVHT LIGHT ILLUMINATED, RAN ABORTED ENGINE START PROCEDURE. REPLACED LOWER FAN FIRE DETECTOR AND RT CORE FIRE DETECTOR REF TASK 26-11-01. PERFORMED BITE CK ON FIRE DETECTION MODULE, OPS CK NORMAL REF TASK 26-11-00-710-801. NR 2 ENG OPS CK NORMAL ON ENG RUN, RAN FOR 10 MINS, NO DEFECTS NOTED.