Service difficulty report · Sensor · Boeing 747422

Difficulty date
August 24, 2012
Submitted
September 28, 2012
Operation
Air carrier
Aircraft
N174UA
Make and model
Boeing 747422
Aircraft serial
24381
Aircraft time
88,109 hours, 9,841 cycles
Engine
Pwa PW4056
Part
Sensor
Condition
Dirty
Location
Cabin Temp
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

UNABLE CONTROL CABIN TEMP ALL ZONES -TOO HOT. CLEANED TEMP SENSORS.