SDR ABXA050300

Service difficulty report · Doubler · Doug DC863F

Difficulty date: November 4, 2005
Submitted: December 5, 2005
Operation: Air carrier
Aircraft: N826AX
Make and model: Doug DC863F
Aircraft serial: 46061
Aircraft time: 76,958 hours, 27,728 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Doubler
Condition: Corroded
Location: Sta 1180
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

CORROSION ON TOP OF LONGERON REINFORCEMENT DOUBLER IN AFT CARGO BILGE AT STA 1180, LONGERON 36 TO 34 RIGHT. REMOVED DOUBLER AT STA 1200 LONGERON 34 RIGHT TO 36. REMOVED CORROSION FROM DOUBLER. FOUND TO BE OUT OF LIMITS. FABRICATED, TREATED, PRIMED AND INSTALLED NEW DOUBLER FROM 7075-T6.125 P/O NR 119160 IAW DC8 SRM 51-1-8, 51-1-20D, LWR 200302015 AND SSRM DWG K0T142.

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