Service difficulty report · Skin · Boeing 74747UF

Difficulty date
September 14, 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
Skin
Condition
Dented
Location
Horizontal Stab
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 THE D02 PLUS C03, DENT DAMAGE ON THE LOWER SKIN WAS DETECTED AT STAB STA 156.0 OF THE LOWER SKIN 65B03500-143 AND DOCUMENTED IAW EGAT NRC 390. THE ACTION REQUIRED TO CLOSE EGAT NRC 390 WAS TO CUT THE DAMAGE OUT AND TO INSTALL A FLUSH REPAIR IAW REPAIR SRM 55-10-01-2R-5, REPAIR 5 (SEE FIG 1).

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