SDR DALA2015081404957

Service difficulty report · Intercostal · Boeing 7572Q8

Difficulty date: July 31, 2015
Submitted: August 14, 2015
Operation: Air carrier
Aircraft: N346BC
Make and model: Boeing 7572Q8
Aircraft serial: 33959
Aircraft time: 29,785 hours, 16,474 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1413
Stage of operation: IN
How discovered: 9
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

CORROSION ON AFT CARGO INTERCOSTAL AT BS 1413, LBL 16 ON INBD SIDE OF WEB. REMOVED CORROSION AND FOUND OUT OF LIMITS IAW SRM 53-00-04, FIG 101. DETAIL II. FABRICATED A NEW INTERCOSTAL IAW DWG 146N5517. INSTALLED THE NEW INTERCOSTAL IAW SRM 51-40-02, PG 2-10.

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