Service difficulty report · Frame · Boeing 7472F6B

Difficulty date
October 24, 2002
Submitted
November 21, 2002
Operation
Air carrier
Aircraft
N535MC
Make and model
Boeing 7472F6B
Aircraft serial
21833
Part
Frame
Part number
5B0433941
Condition
Cracked
Location
Fuselage
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

DURING CURRENT C-CHECK, FOUND CRACKS EMANATING FROM THE LOWER OUTBOARD CORNER OF THE FRAME ACCESS HOLE CUTOUT AT BS 2040, 2080, 2100, 2120, 2160 AT LBL 16 WL 137. EACH FRAME CRACKED AT THE SAME LOCATION. CRACKS STOP DRILLED OR CUT AWAY AS REQUIRED. REPAIR DOUBLERS, FILLERS AND OR TAPERED SHIMS FABRICATED IAW SRM 53-10-04 FIG 43. REPAIR DOUBLERS LENGTHENED AS NECESSARY. INSTALLED RELATED REPAIR PARTS PER STANDARD SRM PRACTICES. (M)

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