SDR UPS04841684

Service difficulty report · Rib · Doug DC871F

Difficulty date: December 29, 2003
Submitted: January 5, 2004
Operation: Air carrier
Aircraft: N702UP
Make and model: Doug DC871F
Aircraft serial: 45902
Aircraft time: 66,981 hours, 24,724 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Condition: Cracked
Location: Lt Wing Le
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, LT WING L/E UPPER RIBS ARE CRACKED AT XFS 635, XFS 641.25, XFS 647.5, XFS 653.75, XFS 660. STOPDRILLED CRACKS, NDT VERIFIED STOPDRILLS TERMINATED CRACKS, FABRICATED AND INSTALLED REPAIR ANGLES IAW SRM 57-2-0 FIG 2.

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