Service difficulty report · Window · Boeing 737890

Difficulty date
July 18, 2013
Submitted
July 23, 2013
Operation
Air carrier
Aircraft
N560AS
Make and model
Boeing 737890
Aircraft serial
35179
Aircraft time
26,364 hours, 8,096 cycles
Part
Window
Part number
56100021
Part serial
06241H1320
Condition
Overheated
Location
Flight Deck
Part time
23,901 hours, 7,270 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

LT SIDE WINDOW HEAT OVERHEAT DURING CRUISING. TURNED SWITCH OFF FOR 5 MIN THEN ON, OVERHEAT LIGHT EXTINGUISHED, DURING DESCENT OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. LT SLIDING WINDOW SENSOR GOOD AT 320 HMS, REF MM 30-41-21. CHECKED WINDOW FILM RESISTANCE REF MM 30-41-21, TOO LOW. 62 OHS REF WD 30-41-12- H14 WINDOW SHOULD BE 69-75.5 OHS. REPLACED LT NR 2 WINDOW IAW 56-12-11-820-801. ACCOMPLISHED CK & ELECTRICAL REF OF WDW FILM IAW AMM 30-41-21-000-801. RESISTANCE MEASUREMENT OF WDW TEMP SENSOR IAW AMM REF 30-41-21-760-801. ALL CK GOOD.