Service difficulty report · Sensor · Boeing 777222

Difficulty date
October 3, 2013
Submitted
October 4, 2013
Operation
Air carrier
Aircraft
N772UA
Make and model
Boeing 777222
Aircraft serial
26930
Aircraft time
72,373 hours, 12,888 cycles
Engine
Pwa PW4077
Part
Sensor
Condition
Dirty
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

CSCP-CACP ZONE TEMPERATURE DISPLAY FAULT MESSAGE SHOWS DR-1L ATTENDANT PANEL. ZONE C INVALID DATA DISPLAYED, DOOR 1 CSCP-CACP. FOUND ZONE 3 TEMPERATURE INVALID, CLEANED TEMPERATURE SENSOR & RAN TEMPERATURE CONTROL VALVE TEST. TEMPERATURE RETURNED.