SDR UPS04843513

Service difficulty report · Frame · Doug DC871F

Difficulty date: October 29, 2004
Submitted: November 22, 2004
Operation: Air carrier
Aircraft: N798UP
Make and model: Doug DC871F
Aircraft serial: 45898
Aircraft time: 67,297 hours, 25,713 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Part number: DWGS2750825
Condition: Corroded
Location: Fuselage
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

CORROSION ON FRAME AT STA 1080 ABOVE L36. REMOVAL EXCEEDED ALLOWABLE LIMITS. NDT VERIFIED MAT`L THICKNESS FROM 0.111- 0.154 REMOVED FRAME CAP AND 3 GUSSETS FROM L33R TO L35L REF SRM 51-1-21, 51-1-20D. FABRICATED AND INSTALLED REPAIR STRAP FROM 7075T7-.080 PER UPS RA NR DC8-53-20444, SAA SK798-748. RE-INSTALLED CAP AND GUSSETS REF SRM 51-1-21, 51-1-20D, 51-1-8.

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