Service difficulty report · Handle Box · Boeing 757222

Difficulty date
August 4, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N555UA
Make and model
Boeing 757222
Aircraft serial
26647
Engine
Pwa PW2037
Part
Handle Box
Part number
140N266629
Condition
Cracked
Location
Pax Door
Stage of operation
IN
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

CRACKS FOUND IN BOTH NUMBER ONE AND TWO LEFT AND RIGHT SIDE MAIN ENTRY DOOR (MED) HANDLE BOXES. THE CRACKS EMANATE FROM THE 0.322 INCH DIAMETER HOLES NEAR THE CENTER OF THE HANDLE BOX ASSEMBLIES COMMON TO THE BASKET CAM ASSEMBLIES. *S/D* CRACKS CAUSED BY STRESS CORROSION OF THE MAGNESIUM HANDLE BOX MATERIAL AT INSERT LOCATIONS. REPLACED WITH HANDLE BOX OF IMPROVED ALLOY PER IPC.