Service difficulty report · Window · Bombdr DHC8402

Difficulty date
August 23, 2013
Submitted
August 27, 2013
Operation
Air carrier
Aircraft
N411QX
Make and model
Bombdr DHC8402
Aircraft serial
4055
Aircraft time
28,601 hours, 29,831 cycles
Part
Window
Condition
Leaking
Location
Cockpit
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

LOUD WHINE COMING FROM CAPTAINS SIDE WINDOW. ISOLATED TO TOP MIDDLE OF WINDOW. STARTED ABOVE 4.6PSI CABIN DIFFERENTIAL. WAS VERY LOUD AT 5.4 PSI AT CRUISE. DIVERTED AND MADE A UNEVENTFUL LANDING. INSPECTED CAPTAIN'S SIDE WINDOW. ALL FASTENERS PRESENT IN WINDOW. TORQUED WINDOW IAW AMM TASK 56-10-06-400-801. STEPS 1-3, STEP 4B (7) (A)-(C) AND STEP 5C. PRESSURIZED ACFT TO 5.5 PSI. NO LEAKS NOTED IAW AMM 21-00-00-863-801. NO DEFECTS NOTED. RETURNED TO SERVICE.