SDR COEA0749821

Service difficulty report · Spar · Aerosp ATR72202

Difficulty date: August 29, 2007
Submitted: January 7, 2008
Operation: Air carrier
Aircraft: N821FX
Make and model: Aerosp ATR72202
Aircraft serial: 253
Engine: Pwa PW127
System (JASC): 5714 · Wing, Center Box
Part: Spar
Condition: Chafed
Location: Center Wing
Part time: 29,796 hours
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

FOUND DURING HEAVY CHECK. MAJOR REPAIR, LEVEL 2 CORROSION ON CENTER WING BOX FRONT AND REAR SPAR UPPER EXTRUSION. CHAFES, BETWEEN RIBS 4L AND 4R. CORROSION ON AFT SPAR EXTRUSIONS IN SAME AREAS AS CHAFES. BLENDED CHAFES AND CORROSION IAW SRAS DS/ET 603.600/98...1690, NOTE DO/ TS-4936/ 07. WO 72242, NR 200080. (K)

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