Service difficulty report · Overheat Sensor · Boeing 7378H4

Difficulty date
August 2, 2025
Submitted
August 6, 2025
Operation
Air carrier
Aircraft
N8569Z
Make and model
Boeing 7378H4
Aircraft serial
36954
Aircraft time
23,922 hours, 12,260 cycles
Part
Overheat Sensor
Condition
Faulted
Location
Zone 100
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

RIGHT WING-BODY OVERHEAT LIGHT ILLUMINATED AT 2 HOURS INTO FLIGHT. LIGHT NEVER EXTINGUISHED EVEN AFTER QRH AND ENGINE SHUTDOWN. FOUND FAULT: RT SIDE OVHT; RIGHT SIDE; LOOP 6 2ND GND AT 588; REMOVED R FWD STRUT OVERHEAT SENSOR ELEMENT (M1763) PER AMM 26-18-02.;[02] COMPLETED INSTALLATION OF R FWD STRUT OVERHEAT DETECTION SENSOR ELEMENT (M1763) IAW AMM 26-18-02. OPS TEST GOOD.

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