Service difficulty report · Support · Aerosp ATR72212

Difficulty date
June 21, 2011
Submitted
July 21, 2011
Operation
Air carrier
Aircraft
N429AT
Make and model
Aerosp ATR72212
Aircraft serial
429
Aircraft time
32,922 hours, 29,713 cycles
Part
Support
Part number
S5751223320000
Condition
Corroded
Location
Lt Wing Te Flap
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 THE MX BASE CHECK FOUND CORROSION ON THE LT OTBD FLAP ASSY SUPPORT. THE ACFT WAS REMOVED FROM SERVICE. CORROSION WAS FOUND OUT OF LIMITS ON LT OTBD FLAP ASSY SUPPORT. CLEANED LIGHT SURFACE CORROSION ON LT OTBD FLAP SUPPORT IAW SRM 51-21-42. TREATED, PRIMED AND TOP COATED SUPPORT IAW SRM 51-21-17 AND 51-21-27.

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