# SDR CALA2026021613772

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2026
- Submitted: February 16, 2026
- Operation: Air carrier
- Aircraft: [N12116](https://openairdocs.org/aircraft/N12116), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27558
- Aircraft time: 110,959 hours, 23,246 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Zone 200
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026021613772

## Discrepancy

AFT SMOKE DETECTOR SOUNDED ON APPROACH STATUS MSG IN COCKPIT, WITH NO SIGN OF SMOKE OR ODOR. FA CALL CHIME SOUNDED CONCURRENTLY. DETECTOR AND CHIME STOPPED BEFORE LANDING FOUND 2 WIRES AT P15 PIN 5 AND 6, AT LAV SMOKE DETECTOR BROKE. REF WDM25-40-00-901 SHEET 3. REMOVED AND REPLACED AFT RIGHT LAV M SMOKE DETECTOR CONNECTOR P15 P/N DAMA15SWS PER SWPM 20-74-02, OPS CHECK REQUIRED.PARTS USED:  00-0366-3-2252, QTY :1 ADD EMP: U393391 ADDING SMOKE AND ODOR FORM REMOVED AND REPLACED AFT RIGHT LAV SMOKE DETECTOR PRE-CAUTIONARY REF AMM 26-14-01. OPS CHECKS GOOD

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