Service difficulty report · Overheat Sensor · Boeing 737824

Difficulty date
January 30, 2025
Submitted
February 3, 2025
Operation
Air carrier
Aircraft
N11206
Make and model
Boeing 737824
Aircraft serial
30578
Aircraft time
75,893 hours, 28,171 cycles
Part
Overheat Sensor
Part number
654A0004833
Condition
Faulted
Location
Zone 100
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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 ON CLI MBOUT EXTINGUIS HED AFTER RUNNING CHECKLIST C/W OVERHEAT DETECTION CONTROL MODULE MEMORY AND READ PROCEDURE FOUND MAINT. ADV. LIGHT ON ALONG WITH CODE 64 AND 97 REF AMM 26-18-01-740-801 T/S REF FIM 26-18 TASK 802. ISOLATED R/H PACK AND WING SENSING ELEMENTS AND FOUND SENSING ELEMENT M371 IN R/H WING ROOT AND SENSING ELEMENT M1763 IN THE R/H PYLON SHORTED. REMOVED AND REPLACED M371 SENSOR IN R/H WING ROOT AND M1763 SENSOR IN R/H PYLON. PERFORMED OVERHEAT DETECTION CONTROL UNIT TEST IN REFERENCE TO AMM 26-18-01-740-801. NO FAULTS DETECTED AT THIS TIME.