SDR COEA2011121209821

Service difficulty report · Channel · Aerosp ATR72202

Difficulty date: December 12, 2011
Submitted: December 13, 2011
Operation: Air carrier
Aircraft: N821FX
Make and model: Aerosp ATR72202
Aircraft serial: 253
Aircraft time: 31,807 hours, 105,436 cycles
System (JASC): 5752 · Aileron Tabs
Part: Channel
Part number: S57612187200
Condition: Corroded
Location: Aileron Tab
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

WO 105436 NR 500002 HEAVY CK COE / LEVEL 2 CORROSION: LT AILERON TRIM TAB TRAILING EDGE CHANNEL HAS AREAS OF CORROSION (LENGTH 1.2", WIDTH .6", DEPTH .005"). REMOVED CORROSION, FOUND DENT (DEPTH .029), CONFIRMED CRACK FREE. REMOVED AND REPLACED LT AILERON ASSEMBLY.

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