SDR UIEA2011080200422

Service difficulty report · Frame · Boeing 7472D7B

Difficulty date: August 2, 2011
Submitted: August 6, 2011
Operation: Air carrier
Aircraft: N524MC
Make and model: Boeing 7472D7B
Aircraft serial: 21784
Aircraft time: 105,635 hours, 21,872 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Cracked
Location: Bs 380
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 C4/A6 CHECK, INSPECTION DETECTED 2 EA CRACKS, APPROX 0.50 INCH LONG RUNNING INBD AND 1.8 INCHES LONG RUNNING OTBD AT S-23L CUTOUT AND ANOTHER CRACK APPROX 0.50 INCH LONG, RUNNING INBD AT S-24AL CUTOUT ON THE LT SIDE, BS 380 FRAME.

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