# SDR AALA202209079743

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2022
- Submitted: September 7, 2022
- Operation: Air carrier
- Aircraft: [N826NN](https://openairdocs.org/aircraft/N826NN), registered now
- Make and model: Boeing 737
- Aircraft serial: 31089
- Aircraft time: 36,967 hours, 15,277 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Air Filter
- Condition: Odor
- Location: Zone 200 - Fuse
- 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/AALA202209079743

## Discrepancy

AIRCRAFT WAS GROUNDED: ON FINAL APPROACH FLIGHT ATTENDANTS REPORTED WHAT THEY SAY SMELLED LIKE DIRTY SOCKS. SMELL WHICH LASTED APPROXIMATELY 4-5 MINUTES. REMOVED AND REPLACED LEFT (AALA202209074430) AND RIGHT (AALA202209079743) RE CIRCULATION FILTERS PER AMM 21-25-01

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