Service difficulty report · Module · Boeing 7379

Difficulty date
February 22, 2024
Submitted
February 26, 2024
Operation
Air carrier
Aircraft
N37523
Make and model
Boeing 7379
Aircraft serial
43461
Aircraft time
10,047 hours, 3,391 cycles
Part
Module
Part number
233A3201313
Condition
Failed
Location
Window Heat
Stage of operation
CL
How discovered
O
Nature of condition
J, O
Precautionary procedure
A

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

What was found

LEFT WINDOW OVHT LIGHT ON IN CLIMB FL315 PERFORMED CONTINUITY CHECK PER FIM 30-41-830 STEPS D3CONTINUITY CHECKS GOOD. FIM RECOMMENDS TO REPLACE P5-9 OVERHEAD PANEL, CONF IRMED FAILURE PER BITE CHECK ON WHC#2. R & R MODULE , WINDOW / PITOT HEAT AS REQUIRED , REF AMM 30-00-02-401, OPS CHECKED NORMAL. WING BODY OVHT LIGHT ON AT FL295 IN CLIMB PERFOMED SYSTEM TEST AND FAULT AFT CARGO APU SHORT FAULT DETECTED. ELEMENT LOOP 275 WAS PREVIOUSLY REPLACED ON 2-21-2024 BUT ERROR WAS NOT RESET FROM OVERHEAT DETECTOR CONTROLLER. RESET OVERHEAT CONTROLLER TO CLEAR FAULT AND RETESTED SAME WITH NO FURTHER DEFECTS/FAULTS NOTED. A/OK FOR SERVICE.

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