Service difficulty report · Intercostal · Boeing 7472D7B

Difficulty date
June 11, 2011
Submitted
June 14, 2011
Operation
Air carrier
Aircraft
N522MC
Make and model
Boeing 7472D7B
Aircraft serial
21783
Aircraft time
108,674 hours, 21,759 cycles
Part
Intercostal
Condition
Cracked
Location
Bs 1265
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

FOUND A CRACK DURING A C4/A12-CHECK. (PART 1, TIME-LIMITED REPAIR WAS ACCOMPLISHED AT BY TRIMMING THE FRAME WEB, REPLACING THE INTERCOSTAL WEB AND SPLICING IN NEW SEGMENTS OF FRAME INNER CHORDS. THE PART 2 PERMANENT OR INTERIM REPAIR IS REQUIRED W/N 1,000FC OR 24M, WOF AFTER 10JUN11.)

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