Service difficulty report · Fire Loop · Boeing 7377H4

Difficulty date
August 1, 2024
Submitted
August 5, 2024
Operation
Air carrier
Aircraft
N939WN
Make and model
Boeing 7377H4
Aircraft serial
36646
Aircraft time
49,605 hours, 30,128 cycles
Part
Fire Loop
Condition
Disconnected
Location
Zn 200 Fus Top
Stage of operation
DE
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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