# SDR AALA20170120018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2017
- Submitted: January 20, 2017
- Operation: Air carrier
- Aircraft: N179AA
- Make and model: Boeing 757223
- Aircraft serial: 32397
- Aircraft time: 48,853 hours, 13,921 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Dirty
- Location: Cabin Air
- Stage of operation: DE
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20170120018

## Discrepancy

DURING DESCENT AT 3000 FEET, THE CREW NOTICED A BURNING RUBBER ODOR IN THE CABIN.  REMOVED AND REPLACED THE LEFT RECIRCULATING FAN AIR FILTER IAW AMM 21-25-02. OPERATIONAL CHECKED GOOD.  AIRCRAFT WAS GROUNDED.

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