What was found
FLT#842, DUB-JFK. (ETOPS) 'ENG 2 FIRE LOOP A FAULT; REF TSM 26-12-00-810-805-A ACCOMPLISHED WIRE/ RESISTANCE CHKS OF PYLONG, A & B, & CORE LOOPS/ DETECTORS LOOP A. UPON INSP FOUND CORE LOOP A AND LOOP B OVERLAPPING. ADJUSTED TO NORMAL CONFIG. FOUND PYKON HARNESS LOOP A TO TERMINAL BLOCK CONTAMINATED. CLEARED CONTAMINATION AS PER ESPM 20-44-51. ACCOMPLISHED RESIS CHKS ON FDU 2 (2WD2)FOUND WITHIN LIMITS ACCOMPLISHED ENG RUN AS PRECAUTION IAW AMM 71-00-00 OPS CHK GOOD NO FAULTS/ MSGS NOTED AT THIS TIME.' FLT#842, DUB-JFK. (ETOPS) 'ENG 2 FIRE LOOP A FAULT; PERFORMED THE OPERATIONAL TEST IAW AMM 26-12-00. TEST OK MSG CLEARED . A/C OK FOR SVC.