Part catalog
To detect and correct such cracking, which, if the cracking were to continue to grow, could result i OPEN CSN MFEC Inspect for cracks on frame & HFEC Insp for craks threshold x CSN 10522 AD Status is OPEN, must be performed the initial inspection i/a/w SB B737-53-1216 R1 until A/C 40000
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