SDR DALA2020122804292

Service difficulty report · Fitting · Boeing 7572Q8

Difficulty date: December 26, 2020
Submitted: December 28, 2020
Operation: Air carrier
Aircraft: N712TW
Make and model: Boeing 7572Q8
Aircraft serial: 27624
Aircraft time: 85,596 hours, 22,689 cycles
System (JASC): 5415 · Nacelle/Pylon, Attach Fittings
Part: Fitting
Condition: Corroded
Location: Rt Nacelle
Stage of operation: IN
How discovered: O
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

WHILE PERFORMING RT ENGINE DRAG FITTINGS CLAMP-UP & DIAGONAL BRACE INSPECTIONS MAINTENANCE FOUND OUTER WING RT UPPER SKIN AND DRAG FITTINGS CORROSION AND TOOL MARKS AT HOLES 3, 4 & 7-18 AND CRACK AT HOLE 2. ALSO CORROSION WAS FOUND ON SURFACE OF OUTBOARD DRAG FITTING, SHEAR TIE AND WING SKIN. C/W ERA 588964-14.

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