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SDR CALA2011021500095

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Service difficulty report · Window · Boeing 737824

FAA SDR system

Difficulty date
February 15, 2011
Submitted
February 15, 2011
Operation
Air carrier
Aircraft
N73299
Make and model
Boeing 737824
Aircraft serial
34005
Aircraft time
18,025 hours, 6,191 cycles
System (JASC)
5610 · Flight Compartment Windows
Part
Window
Part number
141A481014
Part serial
05260H2486
Condition
Cracked
Location
Cockpit
Part time
18,017 hours, 6,188 cycles
Stage of operation
CR
How discovered
V
Nature of condition
O
Precautionary procedure
B

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

L2 WINDOW ARCING OBSERVED AT FL 320 AND THEN OUTER WINDOW PANEL OF L2 WINDOW CRACKED IN FLIGHT. DESCENDED TO FL 290, PRESSURIZATION WAS NORMAL AT ALL ALTITUDES. REPLACED L2 SLIDING WINDOW PER TASK 56-12-11-820-801. CHECKS OK. REPLACED L2 SLIDING WINDOW HEAT CONTROLLER AS PRECAUTIONARY PER FIM TASK 30-41-11-400-801. TEST GOOD. ROTABLE PARTS CHANGE WAS INDICATED - TT 1443647 S/N OFF 02486 TT 1445614 S/N OFF 07629 WINDSHIELD, B73 OFF 29-5612-9-9001 2486 ON 29-5612-9-9005 7773 IPC REFERENCE 56-12-22 CONTROL, WINDSHIELD OFF 03-3041-9-0001 7269 ON 03-3041-9-0001 1276.