What was found
WINDOW HEAT 2L EICAS STATUS MESSAGE DISPLAYED. POWER OFF, OVERHEAT OR WINDOW HEATER FAILURE. REPLACED CONTROL THERMOSTAT S760, GROUND CHECKED OK AND MESSAGE GONE.
- Difficulty date
- February 3, 2013
- Submitted
- February 15, 2013
- Operation
- Air carrier
- Aircraft
- N122UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29168
- Aircraft time
- 56,573 hours, 6,612 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3040 · Windshield/Door Rain/Ice Removal
- Part
- Thermostat
- Condition
- Failed
- Location
- L2 Window
- 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.