What was found
APU BLEED ON AT GATE LEAD TO IMMEDIATE STRONG OIL SMELL. REPLACED NGS OZONE GEN AND OZONE FILTER RT SIDE AND LEFT OZONE FILTER PER A321 AMM 21-58 + 21-51. (LP 8610384 - AIRCRAFT WAS GROUNDED)
- Difficulty date
- April 11, 2026
- Submitted
- April 13, 2026
- Operation
- Air carrier
- Aircraft
- N331DN
- Make and model
- Airbus A321213
- Aircraft serial
- 7943
- Aircraft time
- 26,112 hours, 11,374 cycles
- System (JASC)
- 2120 · Air Distribution System
- Part
- Generator
- Condition
- Odor
- Location
- Ozone
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.