What was found
PDIS 683 30-14 1692911 16NOV18 MDT CLOSE WING A/ICE FAIL MESSAGE DURING FLIGHT AFTER TWO A/I TESTS. FACT 16NOV18 18:41 MDT AFTER INVESTIGATION OF NEARBY DUCTS, FOUND R/H PACKEXHAUST DUCT RUPTURED CAUSING THE WING ANTIICE FAIL MESSAGE FROM WING ANTI ICE THERMOSTATIC SENSOR READING HIGH PACK EXHAUST AIR TEMP. R&R'D R/H PACK EXHAUST DUCT IAW AMM 21-51-02 REF FIM 30-11-00-810-807-A OPS CHECK GOOD REF AMM 30-00-00
MDIS 683 30-14 1692912 16NOV18 MDT CLOSE FOUND R/H PACK EXHAUST DUCT RUPTURED. FACT 16NOV18 18:51 MDT REMOVED AND REPLACED R/H PACK EXHAUST DUCT IN REFERENCE WITH AMM 21-51-02