Service difficulty report · Overheat Sensor · Boeing 7377BX

Difficulty date
August 15, 2015
Submitted
August 19, 2015
Operation
Air carrier
Aircraft
N737KA
Make and model
Boeing 7377BX
Aircraft serial
30740
Aircraft time
28,209 hours, 16,881 cycles
Part
Overheat Sensor
Part number
35992255
Condition
False Indication
Location
Rt Wing-Body
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

RT WING BODY OVERHEAT LIGHT ILLUMINATED. BITE CHECK OF THE COMPARTMENT OVERHEAT DETECTION CONTROL UNIT DISPLAYED FAULT CODE 64. RESISTANCE CHECKS ON SENSING ELEMENTS ASSOCIATED WITH THIS CODE WERE PERFORMED. THE RT INBD L/E ELEMENT M1269 WAS FOUND OUT OF LIMITS AND REPLACED. FAULT CODE CLEARED FROM THE CONTROL UNIT AND NO OVERHEAT LIGHT WAS DISPLAYED ON SUBSEQUENT FLIGHT.

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