# SDR DALA2021012800540

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2021
- Submitted: January 28, 2021
- Operation: Air carrier
- Aircraft: [N335DN](https://openairdocs.org/aircraft/N335DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8036
- Aircraft time: 9,130 hours, 3,943 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Warning Message
- Condition: False Indication
- Location: Aft Lavatory
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021012800540

## Discrepancy

SMOKE ECAM WARN 3 TIMES - FLT ATT ADVISED BOTH AFT LAV AND MID LAV WARN - NO VISUAL SIGNS OF SMOKE LOG-PAGE UPDATED AT 28JAN21 0602 UTC 02 CORR BY ZOHNER 00583072 BZN 28JAN21 ATA 2617 RII: N ENTR 00688631 W.  CONTRACT MAINTENANCE EVENT - OCM: 230562.  PERFORMED OP TEST PER A321 TSM 26-17-00-810-823-A - TEST PASSED - NO DEFECTS NOTED.

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