What was found
PUNGENT ODOR-SMOKE IN AIRCRAFT ON ENGINE PNEUMATICS AFTER ENGINE START. *S/D* APU WAS LEAKING OIL. APU INGESTED LEAKING OIL AND CONTAMINATED AIR-CONDITIONING SYSTEM. APU WAS REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PUNGENT ODOR-SMOKE IN AIRCRAFT ON ENGINE PNEUMATICS AFTER ENGINE START. *S/D* APU WAS LEAKING OIL. APU INGESTED LEAKING OIL AND CONTAMINATED AIR-CONDITIONING SYSTEM. APU WAS REPLACED.