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SDR ASAA2016012915180

Open the Markdown

Service difficulty report · Sensor · Boeing 737990ER

FAA SDR system

Difficulty date
January 29, 2016
Submitted
February 2, 2016
Operation
Air carrier
Aircraft
N423AS
Make and model
Boeing 737990ER
Aircraft serial
35206
Aircraft time
11,033 hours, 3,568 cycles
System (JASC)
2160 · Cabin Temperature Control System
Part
Sensor
Part number
213A410113
Condition
Failed
Location
Cabin Temp
Stage of operation
NR
How discovered
9
Nature of condition
O
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 CONTROLLER NOT KEEPING UP, BLOWING COOL AIR IN FULL HOT POSITION, FINALLY STARTED TO WORK AFTER 10 MIN. ACFT GROUNDED. TROUBLESHOT IAW FIM TASK 21-61 TASK 801. COULD NOT DUPLICATE FAULT. PERFORMED ZTC BITE, NO FAULTS NOTED, REF FIM 21-62 TASK 801. R & R CABIN TEMPERATURE SENSOR, REF AMM 21-61-10. OPS TEST NORMAL.