SDR UPS05845781

Service difficulty report · Cusp Web · Doug DC873F

Difficulty date: October 3, 2005
Submitted: November 16, 2005
Operation: Air carrier
Aircraft: N866UP
Make and model: Doug DC873F
Aircraft serial: 45966
Aircraft time: 85,856 hours, 28,516 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Cusp Web
Condition: Cracked
Location: Fs220 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:C2 CUSP CRACKED 3 INCH LONG STA 220 L21R. CUT OUT DAMAGED AREA OF CUSP AT FS 220 L21R IAW SRM 51-1-21D, FABRICATED AND INSTALLED REPAIR -25 ANGLES, CUSP SPLICE AND -21 DOUBLER IAW 53-2-5 FIG 1, 53-2-5 FIG 1 AND SRM 53-02-05 FIG 5.

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