As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO RAISING CABIN PRESSURIZATION ISSUES, EMERGENCY DESCENT TO FLT 100 AIRCRAFT LANDED SAFELY AT SCL WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED LEFT LOWER RECIRCULATION FAN (AALA202310102827) AND LEFT INNER RECIRCULATION DUCT (AALA202310106591). PER AMM 21-25-17.