# SDR USAA2011112500002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2011
- Submitted: November 25, 2011
- Operation: Air carrier
- Aircraft: N250AY
- Make and model: Boeing 767201
- Aircraft serial: 23902
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Air Filter
- Condition: Clogged
- Location: Cabin
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2011112500002

## Discrepancy

SJU  FLT 1035  EN ROUTE SJU TO CLT.  ABOUT 23 MINUTES INTO FLIGHT, FLIGHT ATTENDANT IN THE BACK OF THE A/C REPORTED A BURNING RUBBER SMELL.  THE FLIGHT CREW EVALUATED THE SITUATION FOR ABOUT 3 MINUTES.  THE BURNING RUBBER SMELL GOT STONGER.  THE FLIGHT RETURNED TO FIELD SJU AND LANDED WITHOUT FURTHER INCIDENT.   INSPECTED A/C.  RAN BOTH ENGINES AT POWER AND APU ALL CHECKS OK.  REPLACED HEPA FILTERS, FOUND CLOGGED.

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