SDR UPS97825199

Service difficulty report · Rib · Doug DC871F

Difficulty date: November 12, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N707UP
Make and model: Doug DC871F
Aircraft serial: 45907
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Condition: Cracked
Location: Ws 520.168
Stage of operation: IN
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-SP, RT WING L/E RIB AT STA XS 520.168, INBD END OF THE STUB WING, IS BROKEN AT THE AFT UPPER END INBD AND OUTBD HALVES, AND ALONG THE LWR SIDE BETWEEN THE FASTENERS. THREE CRACKS TOTAL. FABRICATED AND INSTALLED 2 REPAIR ANGLES IAW SRM 57-2-0.

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