What was found
STRONG BURNED ODOR IN AIRCRAFT WITH NR 2 PACKS ON. REMOVED AND REPLACED APU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STRONG BURNED ODOR IN AIRCRAFT WITH NR 2 PACKS ON. REMOVED AND REPLACED APU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.