SDR IPXA2026101271049

Service difficulty report · Window · Boeing 7478F

Difficulty date: October 9, 2026
Submitted: October 12, 2026
Operation: Air carrier
Aircraft: N631UP
Make and model: Boeing 7478F
Aircraft serial: 65776
Aircraft time: 19,520 hours, 2,868 cycles
System (JASC): 5610 · Flight Compartment Windows
Part: Window
Condition: Cracked
Location: Zone 200
Stage of operation: CR
How discovered: V
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

AIR TURN BACK, WINDOW 1R CRACKED OUTER PANE. PERFORMED INSPECTION/CHECK OF FLIGHT COMPARTMENT WINDOW 1R IAW AMM 56-11-00-200-801. WHILE PERFORMING CLEANING OF WINDOW, SUSPECTED CRACK WIPED OFF OF WINDOW. SUSPECTED CRACK FOUND TO BE DEBRIS ON WINDOW. NO DEFECTS FOUND WHILE PERFORMING INSPECTION.

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