SDR TRBA2012012006

Service difficulty report · Skin · Aerosp ATR72212

Difficulty date: January 10, 2012
Submitted: January 12, 2012
Operation: Air carrier
Aircraft: N440AM
Make and model: Aerosp ATR72212
Aircraft serial: 440
Aircraft time: 28,996 hours, 33,171 cycles
System (JASC): 5730 · Wing, Plate/Skin
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

DURING MX BASE INSPECTION FOUND CORROSION ON THE RT WING FUEL PUMP CUTOUT EXTERNAL SURROUNDS. THE ACFT WAS REMOVED FROM SERVICE. BLENDED OUT CORROSION AND FOUND REMAINING THICKNESS OUT OF LIMITS IAW SRM 51-21-58, ALSO SUBMITTED AN ONLINE DAMAGE REPORT IAW ETN GN-51-013. REMAINING THICKNESS MEASURES TAKEN AT AFECTED AREA IAW NDTM 51-60-40. ALSO HFEC PERFORMED ON BLENDED AREA AND NO DEFECTS FOUND IAW NDTM 51-60-00. THE ACFT WAS RETURNED TO SERVICE.

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