SDR UPS02839890

Service difficulty report · Strap · Doug DC871F

Difficulty date: October 25, 2002
Submitted: November 8, 2002
Operation: Air carrier
Aircraft: N779UP
Make and model: Doug DC871F
Aircraft serial: 45979
Aircraft time: 72,453 hours, 47,866 cycles
System (JASC): 5710 · Wing Main, Frame Structure
Part: Strap
Part number: 36440462
Condition: Cracked
Location: Nr 4 Alt Tank
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

INSPECTION TYPE: C2, RT WING HAS A CRACKED LONGERON 64 END FITTING-STRAP, AND LOWER SPAR IS CRACKED 1/2 INCH FROM EDGE OF SPAR TO FASTENER HOLE AT XRS 450. NDT VERIFIED 1/2 INCH CRACK AT XRS 450 FROM EDGE OF SPAR TO FASTENER HOLE, REMOVED, FABRICATED AND INSTALLED REPLACEMENT STRAP IAW DWG. 3644046 AND OVERSIZED HOLE AT CRACK LOCATION AND INSTALLED FASTENER AND STRAP IAW SAA SK 779-634 AND UPS EO DC8-5710-17626-A.

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