Service difficulty report · Skin · Aerosp ATR72

Difficulty date
October 1, 2007
Submitted
October 5, 2007
Operation
Air carrier
Aircraft
N641AS
Make and model
Aerosp ATR72
Aircraft serial
387
Aircraft time
28,312 hours, 32,864 cycles
Part
Skin
Condition
Corroded
Location
Wing
Stage of operation
IN
How discovered
9
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

FLANGE (ON WING) OF FWD PANEL 622CT CORRODED. 10-11-07 RT WING FLANGE, 622 CT AREA, CORROSION REMOVED IAW SRM 57-14-12 FIG 401. FLANGE WITHIN LIMITS (MATERIAL REMAINING 0.746") IAW SRM 57-14-12 FIG 301, HFEC PERFORMED IAW NTM, NO CRACKS FOUND. REPAIR DETERMINED NOT TO BE A MAJOR REPAIR IAW S.P. 663 AND FAR 43, APPENDIX A. REPAIR ACCOMPLISHED IAW SRM 57-14-12 FIG 401. MATERIAL THICKNESS: 0.782 MATERIAL REMOVED: 0.036 WITHIN LIMITS AS PER SRM: 57-14-12 FIG 301.