As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS OIL SMELL ON A/C PACKS ON DESENT & AND ON THE GROUND WITH ENGINES & APU BLEED. MAINTENANCE ACCOMPLISHED CARD 26L00021001. DETERMINED APU TO BE SOURCE OF ODOR. FOUND BLOCK ASSEMBLY LEAKING ON APU. ***SUPPLEMENTAL INFORMATION: MAINTENANCE REMOVED AND REPLACED APU PRESSURE RELIEF VALVE IAW AMM. PERFORMED CARD 26L00021004, NO SMELL NOTED THIS TIME.*** (CLOSED)