# SDR 97UAL900665

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N943UA
- Make and model: Boeing 737522
- Aircraft serial: 26680
- Engine: Ge CFM56*
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: P904000091R3
- Condition: Malfunctioned
- Location: Rt Lavatory
- Stage of operation: NR
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900665

## Discrepancy

UNEXPLAINED AFT RIGHT-HAND LAVATORY SMOKE DETECTOR WARNING.  *S/D*  NO SIGNS OF SMOKE AND/OR FIRE DAMAGE WERE IDENTIFIED IN THE LAVATORY, AND NO SIGNS OF TAMPERING AND/OR DAMAGE TO DETECTOR WERE NOTED.  OPERATIONAL CHECK TESTED OK.  THERE HAVE BEEN NO SUBSEQUENT REPORT OF THIS DETECTOR ERRONEOUSLY GOING OFF.

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