SDR ASAA2019052429472

Service difficulty report · Sensor · Boeing 737890

Difficulty date: May 24, 2019
Submitted: May 28, 2019
Operation: Air carrier
Aircraft: N506AS
Make and model: Boeing 737890
Aircraft serial: 35690
Aircraft time: 41,250 hours, 12,619 cycles
System (JASC): 2163 · Cabin Temperature Sensor
Part: Sensor
Condition: Dirty
Location: Cabin Temp
Stage of operation: NR
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

FLIGHT DECK ZONE TEMP LT ILLUMINATED WITH RECALL, RESET W/ MASTER CAUTION RESET. GROUNDED - YES. CONFIRMED FAULT. REF AMM 21-61-00-700-806-002, LEFT PACK/ZONE CONTROLLER BITE SHOWS NO FAULTS. REF AMM 21-61-06. CLEANED CONTROL CABIN TEMP SENSOR, FAN, FILTER. OPS TEST NORMAL.