# SDR SWAA2019041731825

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2019
- Submitted: April 17, 2019
- Operation: Air carrier
- Aircraft: [N8563Z](https://openairdocs.org/aircraft/N8563Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 64172
- Aircraft time: 4,185 hours, 1,786 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Part number: S161N3001
- Condition: Dirty
- 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/SWAA2019041731825

## Discrepancy

UNUSUAL ODOR IN CABIN DURING TAKEOFF AND CLIMB. ODOR DISAPPEARED AS ALTITUDE INCREASED. NO SMOKE, NO FUMES. PACKS AND ALL OTHER SYSTEMS OPERATED NORMALLY. CABIN CREW REPORTED SLIGHT ODOR DURING APPROACH         / R&R RE CIRCULATION AIR FILTERS PER AMM.

---
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.
