Service difficulty report · Spar Cap · Doug DC871F

Difficulty date
February 11, 2011
Submitted
April 8, 2011
Operation
Air carrier
Aircraft
N821BX
Make and model
Doug DC871F
Aircraft serial
45811
Aircraft time
91,517 hours, 39,480 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Part number
S41613768
Condition
Cracked
Location
Rws 500.233
Part time
91,517 hours, 39,480 cycles
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

DURING ROUTINE C-CHECK INSP FOUND RT WING FRONT SPAR L/E LOWER CAP CRACKED AT STA XFS 500.233. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. PERFORMED NDT INSP, NO DISCREPANCY FOUND. FABRICATED SPLICE ANGLES, EXTERNAL DOUBLER, STRAP. CLEANED, TREATED, PRIMED AREA AND REPAIRED PARTS. INSTALLED NEW FASTENERS AND REPAIRED PARTS IAW FAA FORM 8100-9, DATED 03-28-11,CASTLE SKETCH 2011-02-28-0093, SRM 51-1-20D, NDT SPM PART 06-10-01-001, DPS 4.710 REV "L", SRM 51-1-8B, SRM 51-1-20D, AND SRM 51-3-1.

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