Service difficulty report · Sensor · Boeing 747422

Difficulty date
August 22, 2013
Submitted
August 23, 2013
Operation
Air carrier
Aircraft
N121UA
Make and model
Boeing 747422
Aircraft serial
29167
Aircraft time
59,518 hours, 6,917 cycles
Engine
Pwa PW4056
Part
Sensor
Condition
Dirty
Location
Cabin Temp
Stage of operation
NR
How discovered
9
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

CABIN TEMP CONTROL ISSUES LV2 CLEANED TEMP SENSORS, AND CHECKED FANS FOR AIRFLOW.