Service difficulty report · Window · Boeing 76734AF

Difficulty date
May 29, 2026
Submitted
June 1, 2026
Operation
Air carrier
Aircraft
N326UP
Make and model
Boeing 76734AF
Aircraft serial
27752
Aircraft time
67,547 hours, 23,186 cycles
Part
Window
Part number
141T400421
Part serial
14338H7243
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

L SIDE WINDOW EICAS. INNER PANE CRACKED. WINDOW HEAT SWITCH OFF IAW QRH. PERFORMED RII INSPECTION PER GMM 04-02 AND AMM 56-11-10 VERIFIED PROPER INSTALL AND TORQUE OF ELECTRICAL CONNECTORS R+R LH NO. 3 WINDOW PER AMM 56-11-10/401. WINDOW HEAT CHECK OPS TEST GOOD.

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