SDR 2002UALA01897

Service difficulty report · Windshield · Boeing 777222

Difficulty date: December 26, 2002
Submitted: January 15, 2003
Operation: Air carrier
Aircraft: N787UA
Make and model: Boeing 777222
Aircraft serial: 26939
System (JASC): 5610 · Flight Compartment Windows
Part: Windshield
Condition: Cracked
Location: Cockpit
Stage of operation: AP
How discovered: C
Nature of condition: O
Precautionary procedure: O

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

What was found

WINDSHIELD 1R OUTER PANE CRACKED. THE NR 1 RT WINDSHIELD OUTER GLASS PLY SHATTERED BECAUSE OF ARCING IN THE INTERLAYER DUE TO MOISTURE INGRESSION. THE UPPER EDGE OF THE WINDOW ASSY. REVEALED EVIDENCE OF MOISTURE INGRESS BETWEEN THE GLASS PLIES NEAR THE UPPER ELECTRICAL WINDOW HEAT SYSTEM BUS BAR. REMOVED AND REPLACED WINDOW ASSY. PER AMM 56-11-01-401.