Service difficulty report · Cusp Web · Doug DC951

Difficulty date
May 15, 2011
Submitted
May 17, 2011
Operation
Air carrier
Aircraft
N775NC
Make and model
Doug DC951
Aircraft serial
47785
Aircraft time
73,589 hours, 69,813 cycles
Part
Cusp Web
Condition
Cracked
Location
Main Cabin
Stage of operation
IN
How discovered
9
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

MAIN CABIN BETWEEN STA 1044 AND 1060 LT CUSP WEB CRACKED SEVERAL PLACES. CUTOUT DAMAGE AREA 4.5 INCH BY 29.875 INCH. NO DEFECTS PER NDT SPM 06-10-01. FAB AND INSTALLED REPAIR FROM .032 INCH 7075-T6 IAW DWG SG09530019.P226. REQUIRED INSP.

More about the Doug DC-9-51