Service difficulty report · Skin · Doug DC873F

Difficulty date
June 30, 2010
Submitted
August 18, 2010
Operation
Air carrier
Aircraft
N803DH
Make and model
Doug DC873F
Aircraft serial
46123
Aircraft time
87,592 hours, 32,539 cycles
Engine
Ge CFM56*
Part
Skin
Condition
Cracked
Location
Rt Wing
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

RT WING TOP AFT PANEL PLATING CRACKED 4" STA XCW 69.500 PERFORMED MAJOR REPAIR IAW SRM 57-2-1 FIG 20, SHEET 1. REMOVED FASTENERS IAW SRM 51-3-0, SRM 51-1-20D. CUT OUT DAMAGED AREA + FABRICATED (-5) DOUBLER (7075"0" 0.160") + (-7) TRIPLER (7075"0" 0.125") + FILLER (7075T651 PLATE 0.312") IAW SRM 57-2-1 FIG. 20 SHEET 1, SRM 57-3-3 FIG. 13 ITEM "L", SRM 51-10-0 FIG. 1 SHEET 23. NDT INSPECTED CUT OUT AREA. NO CRACK FOUND IAW NDT SPM PART 08-00-002 TO 07. NO CRACK FOUND. ENCLOSED SMN FORM 242-4. HEAT TREATED REPAIR PARTS IAW SRM 51-1-1 PG 1-13-17, DPS 7.001. ENCLOSED (4EA) FORMS SMN 075. CLEANED AND APPLIED POLYURETHANE TOP COATING TO AREA IAW SRM 51-1-12 PG 7. CLEANED, TREATED AND PRIMED REPAIR PARTS IAW SRM 51-1-8B. INSTALLED REPAIR PARTS IAW SRM 57-2-1 FIG 20 SHEET 1, SRM 51-1-11 (PRC) SRM 51-1-26 (CONICAL SPACER: RIVETS TYPE MS20426DD) SRM 51-1-20D, SRM 51-3-1 (TORQUE) (TORQUE WRENCH: SNAP ON, MODE: QC1R200, SN: 0896200457) (INSP CRITERIA: VISUAL METHOD, INITIAL REPETITIVE INSP NORMAL MX, REPLACEMENT: N/A IAW SRM 57-0-1 PG 4, TR57-105, DATED 12-23-09)

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