# SDR AALA202210076902

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2022
- Submitted: October 7, 2022
- Operation: Air carrier
- Aircraft: [N989AU](https://openairdocs.org/aircraft/N989AU), registered now
- Make and model: Airbus A300*
- Aircraft serial: 7307
- Aircraft time: 18,263 hours, 7,099 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: None
- Part number: 1806D000001
- Part serial: 180610283
- Condition: Contaminated
- Location: Zone 100 - Fuse
- Part time: 19,897 hours, 8,919 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202210076902

## Discrepancy

AIRCRAFT WAS GROUNDED: MODERATE DIRTY SOCKS SMELL-ODOR IN FLIGHT DECK AT LOW THRUST SETTING, GROUND AND AIR. CREW REPORTED THAT THE ODOR STARTED AFTER ENGINE START AND DISAPPEARED AFTER TAKE OFF, THEN RE-APPEARED DURING APROACH AND LANDING. THE ODR BECAME THE STRONGEST AFTER LANDING AND DURING TAXI IN.  **SUPPLEMENTAL REPORT FOR AALA202210066902: MAINTENANCE DETERMINED THE LEFT-HAND ENVIRONMENTAL CONTROL SYSTEM WAS CONTAMINATED. MAINTENANCE ACCOMPLISHED A DECONTAMINATION OF THE LEFT ENVIRONMENTAL SYSTEM ALONG WITH REPLACING THE FLOW CONTROL VALVE, PACK CONDENSER (AALA202210079513), REHEATER (AALA202210074088) AND OZONE FILTER (AALA202210079534) PER TASK CARDS 26L00021004, 26L00021001, 26L00021013 AND 26L00021003. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS NOTED. ** (CLOSED)

---
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.