Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
February 22, 2017
Submitted
February 27, 2017
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
11,721 hours, 3,835 cycles
Part
Sensor
Part number
56100026
Part serial
14007H0790
Condition
Failed
Location
R2 Window
Part time
11,754 hours, 3,848 cycles
Stage of operation
CR
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

RIGHT WINDOW OVERHEAT IN FLIGHT. ACFT GROUNDED. REMOVED AND REPLACED R2 WINDOW IAW AMM 56-12-11-400-801. PERFORMED R2 WINDOW ADJUSTMENT IAW AMM 56-12-11-820-801. SENSOR & HEAT FILM RANG LOW AND SPARE RANG OPEN. NEW WINDOW ALL SENSOR & HEAT FILM RANG NORMAL & TAP VERIFIED CORRECT IAW AMM 30-41-21 & WDM 30-41-11. WINDOW HEAT SYSTEM OPS TEST NORMAL IAW AMM 30-41-00.