# SDR SWAA2018110826620

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2018
- Submitted: November 8, 2018
- Operation: Air carrier
- Aircraft: [N8552Z](https://openairdocs.org/aircraft/N8552Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63580
- Aircraft time: 3,415 hours, 1,468 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Part number: 21FA407
- Condition: Dirty
- Location: Cabin
- Stage of operation: CL
- 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/SWAA2018110826620

## Discrepancy

STRONG MUSTY ODOR FROM AIR CONDITIONER SYSTEM DURING CLIMB.  R&R RECIRC AIR FILTER PER AMM.

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