Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
March 17, 2021
Submitted
March 19, 2021
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
26,251 hours, 8,375 cycles
Part
Sensor
Condition
Obstructed
Location
Cabin Temp
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED, RESETS. GROUNDED - YES. FOUND FLT DECK TEMP SENSOR FILTER BUNCHED AND OBSTRUCTING SENSOR - RMVD AND REINSTALLED FILTER. BITE SHOWS FLT DECK TRIM VLV FAULT - FAULT CLEARED - RAN PACKS HOT/COLD PERFORMED BITE- CKS GOOD- NO HISTORY 60 DAYS. REF B737-900 AMM 21-61-06. CLEARS MEL 21-21G - C/N 17031461 RMVD. SEAMC WIL CONTACTED.