- 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.