As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: CREW NOTICED STRONG WET SUCK ODOR BEGAN AT 9000K ON DESCENT FROM REAR TO FRONT. REMOVED AND REPLACED LEFT HAND (AALA202601307475) AND RIGHT HAND (AALA202602038634) HEAT EXCHANGERS, PER JOB CARD 72L00021001. REMOVED AND REPLACED RIGHT HAND ACM-AIR CYCLE MACHINE (AALA202602036015), PER AMM 21-52-02.