Service difficulty report · Window · Boeing 737522

Difficulty date
March 28, 2005
Submitted
April 1, 2005
Operation
General aviation
Make and model
Boeing 737522
Aircraft time
33,497 hours, 21,113 cycles
Engine
Ge CFM56*
Part
Window
Part number
58935733
Part serial
98140H6245
Condition
Broken
Location
Cockpit
Stage of operation
AP
How discovered
O
Nature of condition
D
Precautionary procedure
O

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

What was found

(CAN) ON APPROACH, THE PILOTS NR 4 WINDSHIELD (EYEBROW) APPEARED TO SHATTER. THERE WAS NO LOSS OF PRESSURIZATION. THE LANDING WAS CONTINUED WITHOUT PROBLEM. ON INVESTIGATION, THE GLASS LAYER SEEMS TO HAVE FAILED. THE OUTER LAYERS WERE INTACT BUT THE INNER LAYER APPEARS TO HAVE SHATTERED. THE PILOTS DID NOT SEE ANY IMPACT NOR WAS THERE EVIDENCE OF A BIRD STRIKE. THE WINDOW WAS REPLACED WITH A SERVICEABLE UNIT.