SDR COEA2011110425919

Service difficulty report · Stiffener · Aerosp ATR42300

Difficulty date: November 4, 2011
Submitted: November 7, 2011
Operation: Air carrier
Aircraft: N919FX
Make and model: Aerosp ATR42300
Aircraft serial: 266
Aircraft time: 26,690 hours, 34,280 cycles
System (JASC): 5524 · Elevator Miscellaneous Structure
Part: Stiffener
Part number: S5517120022801
Condition: Corroded
Location: Elevator
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

HEAVY CK COE / LEVEL 2 CORROSION. LT HORIZONTAL ELEVATOR COVE HAS 4 STIFFENERS WITH CORROSION BETWEEN RIBS 3 AND 4 (ALL 4:LENGTH 4", WIDTH 1"). REMOVED AND REPLACED ALL 4 STIFFENERS (P/N S5517120022801, S5517120021801, S5517120022001 AND S5517120023001).

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