Service difficulty report · Spar Cap · Doug MD1010F

Difficulty date
November 12, 2008
Submitted
December 12, 2008
Operation
Air carrier
Aircraft
N397FE
Make and model
Doug MD1010F
Aircraft serial
46631
Aircraft time
75,122 hours, 31,146 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Part number
ARB0007502
Condition
Cracked
Location
Zone 600
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

APPROX 2.75 INCH CRACK EXISTS IN RT WING LOWER SPAR CAP (PSE 57.10.008) AT XORS = 411. CRACK RUNS FROM AFT EDGE OF SPAR CAP AFT TANG, FWD APPROX 1.625 INCH TO RADIUS, THEN UPWARDS AND INBOARD APPROX 1.125 INCH AND TERMINATES AT VERTICAL LEG FASTENER AT APPROX = 410. REPAIRED SPAR CAP AT XORS 411 IAW EA 8-5710-123520.

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