What was found
IN CRUISE FLT, STRONG BURNING ODOR DETECTED IN CABIN & FLIGHT DECK. INSPECTED ACFT FOUND PACK 1 TO HAVE OVERTEMPED & MELTED ALL OF SLEEVES ASSOCIATED WITH PACK. RAN PACK 2 WITH APU & BOTH ENG BLEEDS WITH NO SMELLS NOTED. RAN ENGINES 2 TIMES AT MAX POWER ON PACK 2 NO ISSUES NOTED OR ANY SMELLS. ACFT OK FOR SERVICE. FOUND PACK 1 TO HAVE OVER TEMPED AND ALL ASSOCIATED SLEEVES TO BE MELTED MEL 31JUL23 05:02 GSO C21201 21-15-11 AIR COND PACK ELECTRO/MECH N600-N649 FACT 01AUG23 06:45 MDT R&R'D DUCT PN:C143123-6 BETWEEN DCV AND PACK VALVE R&R'D DCV AND ALL ASSOCIATED SLEEVES IRW 21-60-01. R&R'D #100 ACM AND ASSOCIATED SLEEVES IRW 21-51-03 AND PB 21-05. FINAL OPS CHECKS OK AT THIS TIME.