SDR UPS06846748

Service difficulty report · Cusp Web · Doug DC873F

Difficulty date: March 29, 2006
Submitted: April 26, 2006
Operation: Air carrier
Aircraft: N812UP
Make and model: Doug DC873F
Aircraft serial: 46112
Aircraft time: 76,521 hours, 25,374 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Cusp Web
Condition: Cracked
Location: Fs1280 L21l
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:C1 STA 1280 CUSP CRACK AT LT FITTING. REMOVED DAMAGED CUSP AT STA 1260-1300 LT IAW SRM 53-02-05-0 FIG 015A. FABRICATED AND INSTALLED EXTERNAL DOUBLER, CUSP SEGMENT AND FRAME FITTINGS AT STA 1280 LT STA 1260-1300 IAW SRM 53-02-05-0 FIG 015A, AND SRM 51-01-20D.

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