# SDR SWAA2026101218971

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2026
- Submitted: October 13, 2026
- Operation: Air carrier
- Aircraft: [N8699A](https://openairdocs.org/aircraft/N8699A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36923
- Aircraft time: 33,644 hours, 16,765 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Odor
- Location: Zone 200
- Stage of operation: TX
- How discovered: O
- Nature of condition: W, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026101218971

## Discrepancy

SEVERAL PAX SMELLED A SCORCHED ODOR AROUND ROW 27 ON THE RT SIDE OF THE ACFT.   RAN PACKS WITH ENG BLEEDS RAN PACKS WITH APU BLEED NO SCORCHED ODOR NOTED. SLIGHT HYD FLUID ODOR NOTED. FOUND A HYD SYSTEM OVER SERVICED. SERVICED A HYD SYSTEM REF AMM 12-12-00. REPLACED BOTH RECIRCULATION AIR FILTERS REF AMM 21-25-01. SMELL NO LONGER NOTED REF AMM 05-51-56.

---
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.