SDR IPXA2026041322009

Service difficulty report · Window · Boeing 74744AF

Difficulty date: April 9, 2026
Submitted: April 14, 2026
Operation: Air carrier
Aircraft: N572UP
Make and model: Boeing 74744AF
Aircraft serial: 35669
Aircraft time: 64,515 hours, 10,226 cycles
System (JASC): 5610 · Flight Compartment Windows
Part: Window
Condition: Cracked
Location: Zone 200
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

AT FL 370 FWD WINDOW LEFT CRACKED. R & R L1 WINDOW IAW AMM 56-11-01/401. REPLACED WINDOW HEAT CONTROL UNIT IAW AMM 30-41-01/401. OPS CHKD WINDSHIED HEATER SYS AND WIPER IAW AMM 30-41-00/501 & 30-42-00/501, CHKD NORMAL, AIRCRAFT OK FOR SERVICE.

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