Service difficulty report · Spar Cap · Doug MD9030

Difficulty date
March 7, 2018
Submitted
March 8, 2018
Operation
Air carrier
Aircraft
N944DN
Make and model
Doug MD9030
Aircraft serial
53558
Aircraft time
43,588 hours, 35,821 cycles
Part
Spar Cap
Condition
Cracked
Location
Horizontal Stab
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

WHILE PERFORMING AN OPEN HOLE EDDY CURRENT ON THE LT HORIZONTAL STAB REAR SPAR UPPER CAP, HAD A CRACK INDICATION. CLEANED THE HOLE AND CHECKED IAW NDTSPM 06-10-01.003, CRACK INDICATION RUNS VERTICAL ABOVE HOLE AT 1.750 INCHES FROM AFT FACE. HORIZONTAL STAB WAS REPAIRED IAW AMDS 5510-4001.

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