SDR ZW0A0200601

Service difficulty report · Skin · Doug DC983

Difficulty date: January 11, 2002
Submitted: January 15, 2002
Operation: Air carrier
Aircraft: N948TW
Make and model: Doug DC983
Aircraft serial: 49575
Aircraft time: 37,926 hours, 21,312 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Corroded
Location: Rt 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

DURING CHECK-C MAINT ON THE RT WING LOWER SURFACE, CORROSION WAS FOUND AROUND THE FASTENER AT WING STATION 511, TR LOWER MID SPAR SKIN. ACCOMPLISHED UT INSPECTION PER NDT 51-00-03 AND FOUND 47 PERCENT MATERIAL LOSS. INSTALLED FILLER AND DOUBLER PER SRM 57-03, FIG 24A, SHEETS 1 THROUGH 6.

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