Service difficulty report · Spar Cap · Doug DC873F

Difficulty date
April 11, 2009
Submitted
May 22, 2009
Operation
Air carrier
Aircraft
N801DH
Make and model
Doug DC873F
Aircraft serial
46033
Aircraft time
87,000 hours, 33,217 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Condition
Cracked
Location
Zone 500
Part time
87,000 hours
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

LT LWR WING FRONT SPAR CAP AT L/E ATTACH HOLE SHOWS A 0.500 INCH LENGTH CRACK, STA XFE 523.000 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW FAA FORM 8100-9 DATED 05-7-09, EVA D857-00261 REV IA DATED 04-27-09, REPAIR SKETCH 200904200125 DWG J060232, JCT04316 REMOVED ACCESS DOORS TO PERFORM REPAIR ENCLOSED SMN FORM 242-2. CUT OUT DAMAGED SECTION IAW REPAIR SKETCH 200904200125 DWG J06232. PERFORMED NDT INSP IAW DC8 NDT SPM PART 06-10-01-001. NO CRACK FOUND AFTER CUT OUT ENCLOSED SMN-FORM 242-2, EVA DB57-00261 STEP 4. FABRICATED ECCENTRIC REPAIR BUSHING (7075 T6) IAW REPAIR SKETCH 200904200125. CLEANED, TREATED AND PRIMED AREA + REPAIR PARTS IAW DOS 9.45.36. INSTALLED ECCENTRIC REPAIR BUSHING IAW REPAIR SKETCH 20090420012S REFER TO NR 236109 FOR REMOVAL/REINSTALLATION OF LT WING CTR L/E.

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