SDR COEA2011110726919

Service difficulty report · Stiffener · Aerosp ATR42300

Difficulty date: November 7, 2011
Submitted: November 9, 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: S55171200XXX
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 / MAJOR REPAIR / LEVEL 2 CORROSION: LT HORIZONTAL ELEVATOR COVE HAS 6 STIFFENERS WITH CORROSION BETWEEN RIB 2 AND 3. (ALL 6 LENGTH 4", WIDTH 1"). 4 STIFFENERS FABRICATED AND INSTALLED; PN S55171200202, PN S55171200204, PN S55171200206, PN S55171200208; 2 STIFFENERS REPLACED WITH OEM PARTS PN S55171200214 AND PN S55171200216.

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