Service difficulty report · Skin · Doug DC873F

Difficulty date
August 6, 2007
Submitted
August 29, 2007
Operation
Air carrier
Aircraft
N804DH
Make and model
Doug DC873F
Aircraft serial
46124
Aircraft time
85,412 hours, 30,822 cycles
Part
Skin
Condition
Cracked
Location
Fuselage
Part time
85,412 hours, 30,822 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

LWR FUSELAGE EXTERNAL SKIN HAS TWO CRACKS OF 0.250" AND 0.500", STA 60.000 L-35.8R. PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 DATED 08-02-07, EVA D853-00011 REV IR DATED 03-18-07, DWG AD79-53-103 REV IR DATED 07-19-07. REMOVED FASTENERS IAW SRM 51-1-21. CUT OUT DAMAGED SECTION IAW DWG AD79-53-103 REV IR. PERFORMED NDT INSPECTION IAW DC8 NDT SPM PART 08-00-02 TO 07. NO CRACK NOR CORROSION FOUND AFTER CUT OUT. ENCLOSED SMN FORM 242-4. FABRICATED REPAIR DOUBLER (AL7075T6 0.063") FILLER (AL7075T6 0.050") AND INTERNAL FINGER DOUBLER (AL7075T6 0.032") IAW DWG AD79-53-103 REV IR. CLEANED, TREATED AND PRIMED AREA, FILLER, FINGER DOUBLER AND INNER FACE OF REPAIR DOUBLER IAW SRM 51-1-8B. INSTALLED REPAIR PARTS

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