Service difficulty report · Sensor · Boeing 737890

Difficulty date
June 27, 2023
Submitted
July 3, 2023
Operation
Air carrier
Aircraft
N518AS
Make and model
Boeing 737890
Aircraft serial
35693
Aircraft time
52,180 hours, 15,337 cycles
Part
Sensor
Condition
Faulted
Location
Sliding Window
Stage of operation
NR
How discovered
V
Nature of condition
M
Precautionary procedure
K

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

What was found

OVERHEAT CAUTION LIGHT ON R SIDE. GROUNDED - YES. BITE TEST OF WHCU SHOW WINDOW SENSOR. PERFORMED RETAPPING OF RH SLIDING WINDOW REF B737-800 AMM 56-12-11-400-801 STEPS F.(7) AND 8. REMOVED AND REPLACED R2 WINDOW REF AMM 56-12-11. LEAK CHECK GOOD, OPS CHECK FAILED REF AMM 30-41-00-710-801. OVERHEAT LIGHT ILLUMINATES IMMEDIATELY DURING TEST FOR R2 WINDOW. CHECKED AND FOUND WALL CONNECTOR LOOSE AND WIRE IN SIDEWALL TWISTED FOR CONNECTOR D10564 UNTWISTED AND SECURED CP REF B737-800 WDM 30-41-11-6. OP CK GOOD PER AMM 30-41-00-710-801.