# SDR USAA20101019SB169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2010
- Submitted: October 19, 2010
- Operation: Air carrier
- Aircraft: N409US
- Make and model: Boeing 737401
- Aircraft serial: 23879
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Dirty
- Location: Ac Bay
- Stage of operation: AP
- 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/USAA20101019SB169

## Discrepancy

CLT - ON APPROACH AND AFTER LANDING, FLIGHT ATTENDANT IN AFT GALLEY AREA REPORTED A STRONG BURNING RUBBER SMELL.  SMELL APPEARED TO INCREASE AFTER LANDING.  SMELL DISSIPATED AFTER AIRCRAFT DOOR OPENED.  MAINTENANCE REMOVED AND REPLACED LEFT AND RIGHT RECIRCULATION FILTERS PER MM 21-21-23-404.

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