Service difficulty report · Spar Cap · Doug MD11F

Difficulty date
April 15, 2015
Submitted
April 15, 2015
Operation
Air carrier
Aircraft
N589FE
Make and model
Doug MD11F
Aircraft serial
48491
Aircraft time
741 hours, 15,275 cycles
Part
Spar Cap
Part number
AVB7506501
Condition
Cracked
Location
Nr 2 Pylon
Stage of operation
IN
How discovered
U
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

NUMBER 2 PYLON RT SIDE SPAR UPPER CAP VERTICAL FLANGE HAS A CRACK INDICATION AT THE OUTSIDE RADIUS BETWEEN STATION YID=408.5 & THE FIRST FASTENER AFT. FOUND DURING THE ULTRASONIC INSPECTION. COMPLIED WITH HFEC OF RT UPPER SPAR VERTICAL FLANGE IAW NDT SPM PART 06. CRACK VERIFIED.

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