Service difficulty report · Stiffener · Doug DC931

Difficulty date
July 12, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N979Z
Make and model
Doug DC931
Aircraft serial
47343
Part
Stiffener
Condition
Cracked
Location
Bs 69.5
Stage of operation
IN
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 OP 16 MAINT CHECK, FOUND COCKPIT VERTICAL STIFFENER 9957860-6, RT SIDE AT APPROXIMATELY 69.5, X=-10, CRACKED IN THE RADIUS. CRACK APPROXIMATELY 1 INCH LONG. REPLACED THE STIFFENER PER SPM 6-70-01, ITEM 4, B(2)A.

More about the Doug DC-9-31