# SDR SWAA2024080521740

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2024
- Submitted: August 5, 2024
- Operation: Air carrier
- Aircraft: [N939WN](https://openairdocs.org/aircraft/N939WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36646
- Aircraft time: 49,605 hours, 30,128 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Disconnected
- Location: Zn 200 Fus Top
- Stage of operation: DE
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024080521740

## Discrepancy

WHEEL WELL FIRE ALARM SOUNDED OFF IN DECENT INTO KMCI MULT TIMES. WHEEL WELL FIRE ALARM SOUNDED OFF IN DESCENT INTO KMCI MULT TIMES.<[01] INSPECTED WHEEL WELL AND FOUND INDICATION ISSUE ONLY. 05 - OK TO CONTINUE PER [MEL 26-4-01;WHEEL WELL FIRE DETECTION SYSTEM]. WITH SP1 & SP3 AND AUTHORIZATION NUMBER 207224. PERFORMED 'OPTION 2;' DISCONNECTED CONNECTORS ON M270 DETECTION ELEMENT.;[02] REMOVED MAIN WHEEL WELL FIRE DETECTION LOOP IAW AMM 26-18-02;[03] R&R WHEEL WELL FIRE LOOP M270 IAW AMM 26-18-02

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