# SDR GTIA2024041738071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2024
- Submitted: April 17, 2024
- Operation: Air carrier
- Aircraft: [N680NK](https://openairdocs.org/aircraft/N680NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7870
- Aircraft time: 20,921 hours, 9,204 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: UNKNOWN
- Condition: Odor
- Stage of operation: AP
- 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/GTIA2024041738071

## Discrepancy

ODOR EVENT SHORT FINAL SMELLY SOCK SMELL UPON ENTERING CLOUUDS MOUISTURE CLEAR BY ITSELF UPON ENGINE SPOOL UP ALL CABIN REPORTED-PERFORMED TSM 05-50-00, FOUND CAUSE TO BE FROM APU. PERFORMED INSPECTION OF APU UPON ODOR IAW AMM 49-00-00. NO DEFECTS NOTED AT THIS TIME. A/C OK FOR SERVICE. MOC 114724

---
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.
