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
65B0616550
Condition
Damaged
Location
Bs 2100
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 2100 ON INTERCOSTAL AT LBL 7.625 AS DOCUMENTED IAW EGAT NCR 616 WAS REPAIRED IAW EGAT EI T2010A53B-1810. DAMAGED INTERCOSTAL WAS CUT AT BS 2090 AND THE DAMAGED SECTION OF INTERCOSTAL WAS REMOVED. A REPLACEMENT SECTION OF 65B06165-50 INTERCOSTAL WAS OBTAINED FOR THE REMOVED SECTION. THE REPLACEMENT SECTION WAS ATTACHED IAW STRUCTURE INSTALLATION DWG 146U5090 AND SECURED TO THE EXISTING INTERCOSTAL AT BS 2090 WITH A SPLICE REPAIR IAW SRM 53-60-53,

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