Service difficulty report · Skin · Aerosp ATR72212A

Difficulty date
February 23, 2010
Submitted
March 24, 2010
Operation
Air carrier
Aircraft
N494AE
Make and model
Aerosp ATR72212A
Aircraft serial
494
Aircraft time
21,104 hours, 24,735 cycles
Engine
Pwa PW127
Part
Skin
Condition
Corroded
Location
Rt Wing
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

AN AREA OF CORROSION WAS FOUND AT RT WING LOWER SKIN DRAIN VALVE BETWEEN RIB 12-13. CORROSION TEMP BLEND-OUT REPAIR PERMANENT REPAIR AT THIS AREA ON THE NEXT 3000 CYCLES OR AT NEXT C-CK INSP. C/W SRI DO/TS - 0958/08-9928 REF NDT REPORT AMS 100226-14 FOR HFEC AND UT VALUES NO DEFECTS NOTED AT THIS TIME. C/W ATR SRAS DO/TS - 958/08...4527. ACCOMPLISHED EO NR E2-57MR-369 TDMI TO REMAIN OPEN WITH SUPPLEMANTARY INSP HFEC FOR CRACK EVERY 10000 FC. DUI BLENDED AREA FOR NEW CORROSION DETECTION EVERY 2 YRS.

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