Service difficulty report · Spar · Doug DC951

Difficulty date
August 17, 2012
Submitted
August 31, 2012
Operation
Air carrier
Aircraft
N766NC
Make and model
Doug DC951
Aircraft serial
47739
Aircraft time
81,154 hours, 80,400 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Cracked
Location
Rt Wing
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

RIGHT WING REAR SPAR XRS 137, WEB HAS CRACK AT TOP OF LIGHTENING HOLE. REMOVED RT FLAP FORWARD MOVABLE VANE FOR ACCESS, REMOVED DAMAGED WEB ASSEMBLY AT RT WING REAR SPAR. REMOVED ALL SUPPORT ATTACH ANGLES TO RT WING REAR SPAR WEB. FABRICATED RIB LT WING REAR SPAR, LOCATED AND DRILLED WEB ASSY. INSTALLED WEB ASSEMBLY AND ALL SUPPORT ATTACH ANGLES AT RT WING REAR SPAR AND INSTALLED RT FLAP FORWARD MOVABLE VANE.

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