Service difficulty report · Window · Boeing 737890

Difficulty date
June 2, 2012
Submitted
June 25, 2012
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
22,672 hours, 6,744 cycles
Part
Window
Part number
141A481018
Part serial
005001
Condition
Out Of Limits
Location
R2
Part time
34,050 hours, 11,918 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

RT SIDE WINDOW HEAT OVERHEAT AMBER LIGHT ILLUMINATED AFTER LEVEL-OFF AT FL 350, WITH ON LIGHT GOING OFF. ACCOMPLISHED QRH. OPERATED MANUALLY THERE AFTER. FLIGHT CREW STATED WINDOW HEAT OPS NORMAL LAST 4HRS OF FLT. COMPLIED WITH FIM 30-34-00-810-801, FOUND FAULT RT WINDHEILD HEAT CONTROL UNIT. CLEARED FAULT HISTORY. COMPLIED WITH FIM 30-41-810-811 AND WINDOW HEAT OPS TESTED IAW AMM 30-41-00-710-801. OPS TESTED GOOD WITH NO FUTHER FAULTS. RT SIDE WINDOW, DVID SENSORS & FOUND DELAMINATED. REF WDM 30-41-11 M320, D1042A, PINS 13-TO-26 RESISTANCE =335 OHMS & IS BEYOND LIMITS IAW AMM 30-41-21-760-801, STEP E. RT SIDE WINDOW REPLACEMENT REQUIRED. INSTALLED & RIGGED SERVICEABLE R2 SLIDING WINDOW IAW AMM 56-12-11-400-801. WINDOW HEAT SYS OPS CK NORMAL PER AMM 30-41-00-710-801 AND ELECTRICAL RESISTANCE OF THE R2 WINDOW HEAT FILM NORMAL IAW AMM 30-41-21-000-801.