Service difficulty report · Frame · Boeing 7472D7B

Difficulty date
June 16, 2000
Submitted
August 8, 2000
Operation
Air carrier
Aircraft
N522MC
Make and model
Boeing 7472D7B
Aircraft serial
21783
Part
Frame
Part number
65B124911
Condition
Cracked
Location
Fuselage
Part time
77,856 hours
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 C-CHECK WHILE CONDUCTING A THROUGH VISUAL STRUCTURES INSPECTIONS, FOUND VERTICAL SUPPORT FRAMES OF RADAR SUPPORT ANTENNA CRACKED AT BS 140. LEFT SIDE CRACKED 3 INCHES FROM LOWER CLIP AREA. RIGHT SIDE CRACKED .5 INCH THROUGH ONE FASTENER AT LOWER CLIP. REPLACED FRAMES PER SRM 51-30-02. BOEING ADVISED AND ACCOMPLISHED RADAR ALIGNMENT PER SRM REPAIR INSTRUCTIONS. BOEING MAINTENANCE RELEASE DOCUMENT ISSUED. (M)

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