Service difficulty report · Intercostal · Boeing 74747UF

Difficulty date
August 28, 2010
Submitted
September 20, 2010
Operation
Air carrier
Aircraft
N497MC
Make and model
Boeing 74747UF
Aircraft serial
29258
Aircraft time
49,930 hours, 7,554 cycles
Engine
Ge CF680
Part
Intercostal
Part number
65B0616552
Condition
Cracked
Location
Bs 2000
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

REPAIR OF CRACK DAMAGE AT BS 2000 ON INTERCOSTAL AT RBL 22.5 AS DOCUMENTED IAW EGAT NCR 611 WAS REPAIRED IAW EGAT EI T2010A53B-1889. DAMAGED INTERCOSTAL WAS R & R. REPLACEMENT INTERCOSTAL WAS MFG IAW DWG 65B06165 AS AUTHORIZED IAW MFG SMAL PO225769. THE REPLACEMENT INTERCOSTAL WAS ATTACHED IAW STRUCTURE INSTALLATION DWG 146U5090. EGAT EI T2010A53B-1889 (SEE FIG 5) FABRICATION AND INSTALLATION OF A REPLACEMENT INTERCOSTAL WAS APPROVED BY MFG IAW SMAL PO225769.

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