# SDR USAA2014040100007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2014
- Submitted: April 1, 2014
- Operation: Air carrier
- Aircraft: [N151UW](https://openairdocs.org/aircraft/N151UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 5513
- Aircraft time: 3,248 hours, 1,435 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Clogged
- Location: Lavatory
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2014040100007

## Discrepancy

CREW REPORTED A MX CLASS 2 MESSAGE OF SMOKE.  FOUND ALL LAVATORY AIR EXTRACTION FILTERS CLOGGED.  R 7 R ALL LAVATORY EXTRACTION FILTERS IAW AMM 21-23-00.  RESET CID'S & SDF CB`S IAW AMM 24-00-00-810-818A.  PERFORMED TEST OF LAVATORY SMOKE DETECTION SYS IAW AMM 26-17-00-710-001A, TEST PASSED & NO MSGS OR FAULTS.

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