What was found
BURNING SMELL FROM PACK 2 UNDER FLIGHT ATTENDANT CONTROL. IN AUTO MODE UNDER PILOT CONTROL THE SMELL WENT AWAY. REF LOG PAGE 3754935 ITEM 2 RT ENG DUE REPLACEMENT. REF NRWC 620-ORD-02391. END DURING TROUBLESHOOTING OF BURNING SMELL FOUND RT RAM AIR DISTRIBUTION DUCT CRACKED. R & R RT RAM AIR DISTRIBUTION DUCT IAW AMM 21-25-01. COMPLIED WITH TECHNICAL SERVICES WORK SCOPE FOR ENGINE PRODUCING SLIGHT BURNING OIL SMELL AT POWER. REFERENCE NRWC 620-ORD-02391 FOR DISCREPANCIES GENERATED BY INSPECTION.