Service difficulty report · Window · Boeing 737990ER

Difficulty date
January 17, 2023
Submitted
January 18, 2023
Operation
Air carrier
Aircraft
N38446
Make and model
Boeing 737990ER
Aircraft serial
31661
Aircraft time
34,414 hours, 12,436 cycles
Part
Window
Condition
Overheated
Location
R1
Stage of operation
NR
How discovered
O
Nature of condition
M, J
Precautionary procedure
O

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

What was found

WINDOW HEAT OVERHEAT LIGHT LIGHT ON R FWD. ACCOMPLISHED HFEC PART 6 51-00-00 PROCEDURE ON 1R WINDOW FRAME ACCOMPLISHED HFEC PART 6 51-00-00 ON 1R WINDOW FRAME FOR CRACKS, ACCOMPLISHED HFEC PART 6 51-00-00 PROCEDURE ON 1R WINDOW FRAME ACCOMPLISHED INSTALLATION OF WINDOW IN REF TO 56-11-11 UP TO AND ACCOMPLISHED STEP H. CABIN PRESSURE LEAKAGE TEST FOR #1 AFTER FURTHER EVALUATION DURING WINDOW INSTALL FOUND AREA OF WINDOW CODE H-13 (WINDOW BEING INSTALLED)ON TERMINAL #1 ON RETORQUED FLIGHT DECK #1 RH WINDOW FASTENERS REF AMM 56-11-11. FOR CRACKS, NO CRACKS FOUND. RIGHT WINDOW, LEAK CHECK GOOD REF AMM 05-51-91-790-801 WINDOW LEAKING, PERFORMED CABIN PRESSURE LEAKAGE TEST FOR #1 RIGHT WINDOW REF WINDOW RESISTANT CODE WAS VERIFIED AND TERMINAL BOARD TAP REF AMM 56-11-11