# SDR AALA201712079037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2017
- Submitted: December 8, 2017
- Operation: Air carrier
- Aircraft: [N896NN](https://openairdocs.org/aircraft/N896NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33224
- Aircraft time: 17,378 hours, 6,903 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Contaminated
- Location: Cabin Air
- Stage of operation: CL
- 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/AALA201712079037

## Discrepancy

AIRCRAFT WAS GROUNDED: IN FORWARD GALLEY AN ODOR WAS DETECTED AFTER TAKEOFF/CLIMB OUT AND ODOR APPEARED TO COME FROM AIR CONDITIIONING SYSTEM. THE ODOR SMELLED SIMILAR TO WET SOCKS AND OCCURRED TOWARDS LANDING. REPLACED RECIRCULATION AIR FILTER PER AMM 21-25-01.

---
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.