Service difficulty report · Skin · Boeing 74747UF

Difficulty date
August 31, 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
Part number
65B03500157
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 D02, C03 CHECK OF DATUM ACFT AT EGAT, DENT WAS FOUND ON LT HORIZONTAL STAB L/E LOWER SKIN OUTER SURFACE AT STAB STA 147. THE DETAILED LOCATION IS SHOWN IN FIG 1. EGAT PROPOSED TO REPAIR SRM 55-10-01, REPAIR 5 SRM, BUT SINCE THE SRM REPAIR IS A CATEGORY B REPAIR WITH REPEAT INSPECTIONS, TLS/EGAT PROPOSED TO UPGRADE REPAIR TO BECOME PERMANENT REPAIR.

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