Service difficulty report · Frame · Boeing 7472D7B

Difficulty date
August 9, 2011
Submitted
August 10, 2011
Operation
Air carrier
Aircraft
N524MC
Make and model
Boeing 7472D7B
Aircraft serial
21784
Aircraft time
105,635 hours, 21,872 cycles
Part
Frame
Condition
Cracked
Location
Bs 240
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

DISCOVERED 2 CRACKS, 1- 0.875" AND ANOTHER 0.75", IN THE FRAME DOUBLER AT BS 240, S24AL, REF SHEET 1 OF FIG 1. REPAIRED.

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