# SDR VNAA0402012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 29, 2004
- Submitted: March 12, 2004
- Operation: Air carrier
- Aircraft: [N442JS](https://openairdocs.org/aircraft/N442JS), registered now
- Make and model: Dorner DO328100
- Aircraft serial: 3060
- Aircraft time: 21,770 hours, 18,897 cycles
- Engine: Pwa PW119B
- Propeller: Hartzl HDE6C3B
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: SD942201
- Condition: Failed
- Location: Lav
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA0402012

## Discrepancy

THE CREW REPORTED RECEIVING A LAV SMOKE CAS MESSAGE.  MAINTENANCE INSPECTED AND FOUND A LOOSE BACKSHELL TO THE LAV SMOKE DETECTOR AND TIGHTENED IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 26-00-00.  OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

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