SDR UPS06845983

Service difficulty report · Cusp Web · Doug DC871F

Difficulty date: January 3, 2006
Submitted: January 20, 2006
Operation: Air carrier
Aircraft: N718UP
Make and model: Doug DC871F
Aircraft serial: 46018
Aircraft time: 70,002 hours, 46,581 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Cusp Web
Condition: Corroded
Location: Bs 1020 L21r
Stage of operation: IN
How discovered: 9
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

INSPECTION TYPE:C3 RT CUSP EXTRUSION AT L21R BETWEEN STA 1020-1040, FOUND CORROSION BEYOND LIMITS IAW SRM 53-4-1 FIG 26A. CUT OUT DAMAGED AREA IAW SRM 51-3-0, FABRICATED AND INSTALLED 4 EA SPLICES, AND CUSP DOUBLER IAW DWG J060296, SRM 51-1-26 SRM 53-02-05-0, 51-1-8, AND SRM 51-1-20D.

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