# SDR DALA2024081708232

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2024
- Submitted: August 17, 2024
- Operation: Air carrier
- Aircraft: [N512DE](https://openairdocs.org/aircraft/N512DE), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11069
- Aircraft time: 7,429 hours, 1,751 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Odor
- Location: Zone 100
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024081708232

## Discrepancy

AIRCRAFT 5012, AT GATE WHILE BOARDING CREW STARTED APU AND THEN NOTICED A DIRTY SOCK SMELL. COMPLIED WITH 2100-2007 APU BURNOUT. REPLACED LEFT AND RIGHT RECIRCULATION FILTERS. (LP 5903372)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.