SDR UPS02837902

Service difficulty report · Doubler · Doug DC871F

Difficulty date: March 1, 2002
Submitted: March 20, 2002
Operation: Air carrier
Aircraft: N748UP
Make and model: Doug DC871F
Aircraft serial: 45948
Aircraft time: 65,884 hours, 25,282 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Doubler
Condition: Cracked
Location: Lt Wing
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:C23 MOULD-LINE DOUBLER AT NR 1 PYLON HAS PREVIOUSLY INSTALLED REPAIR DOUBLER ON THE I/B SIDE THATS CRACKED AT FASTENER HOLE. REMOVED DOUBLER, PERFORMED HFEC AND BOLT HAVE HFEC IAW NDT SPM 06-10.001 AND 06-10.003. CRACKS PRESENT IN 5 EA HOLES, FABBED REPAIR BUSHINGS IAW REO G08542. INSTALLED BUSHINGS IAW REO G08542 & DC8 SRM 51-1-25. FABBED WASHER, INSTALLED RIVET THROUGH BUSHING & WASHER IAW REO G08542 & SRM 51-1-21. PERFORMED HFEC, NO CRACKS NOTED.

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