SDR TRBACPCP2010019

Service difficulty report · Skin · Aerosp ATR72212

Difficulty date: February 9, 2010
Submitted: April 8, 2010
Operation: Air carrier
Aircraft: N377AT
Make and model: Aerosp ATR72212
Aircraft serial: 377
Aircraft time: 30,474 hours, 30,096 cycles
Engine: Pwa PW127
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

AN AERA OF CORROSION WAS FOUND AT RT WING LOWER SKIN T/E BETWEEN RIBS 6-7. C/A: CORROSION WAS BLENDED OUT IAW SRM AND ATR SRI, MINIMUM REMAINING THICKNESS IS 0.287 IN FOR A NOMINAL THICKNESS OF 0.318 IN. REF SRI NR DO/TS-1345/10-13152, SRAS NR DO/TS-3929/09, 5348 ISSUE B AND EO E2-57MR-373.

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