# SDR IPXA2022111188046

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2022
- Submitted: November 11, 2022
- Operation: Air carrier
- Aircraft: [N121UP](https://openairdocs.org/aircraft/N121UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0806
- Aircraft time: 24,503 hours, 15,577 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Odor
- 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/IPXA2022111188046

## Discrepancy

AFTER SHUT DOWN WITH THE APU WAS RUNNING, AND GROUND POWER CONNECTED BUT NOT ON, A STRONG ODER OF DIRTY SOCKS WAS NOTED BY CA & FO WE SHUT DOWN THE APU AND LEFT THE COCK PIT. ATTEMPTED TO RECREAT PROBLEM WITH NO SUCCESS. AS PRECAUTION PLACED COALESCR ASSY IAW 21-51-01-00.

---
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.