What was found
NR 2 ENGINE SHUTDOWN IN FLIGHT. ON CLIMB-OUT PASSING FL 250 HAD A LEVEL 1 NR 2 ENGINE EGT EXCEEDANCE. PER CHECKLIST BROUGHT POWER BACK. TEMP CAME DOWN WITHIN LIMITS BUT SHORTLY CLIMBED BACK ABOVE REDLINE AND HAD A NR 2 EGT HIGH LEVEL 2. SHUT ENGINE DOWN AND RETURNED TO LAND PER CHECKLIST. FOUND WIRES J011-229-20GR AND J011-229-20WH CHAFED THRU SHIELDING AND INTO CONDUCTORS INSIDE OF J BOX , APPROX 6 INCHES BACK FROM PLUG R5-8216. AFTER EA 8-7720-123490, RETERMINATED NR 2 ENG EGT WIRES PER WDM 77-21-01. CONTINUITY CHECK 'OK'. ENG AT MAX. ASSURANCE POWER PER JRH ALL PARAMETERS GOOD OPS CK GOOD.