As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MUSTY SMELL AFTER LEVELING AT 5000' ODOR DISSIPATED AFTER TURNING OFF PACK 1-REF TSM 05-50-00-810-831-A. FOUND ENG 1 PACK 1 TO BE CAUSE. PERFORMED DECONTAMINATION LEVEL A OF PACK 1, ENG 1 IAW AMM 21-00-00-615-802-A. NO ODORS OR FUMES NOTED DURING DURATION OF DECONTAMINATION. A/C OK FOR SVC AT THIS TIME. INSPECTION ENG 1 AND 2 OIL LEVEL IAW AMM 12-13-79. OIL LEVEL GOOD.