Service difficulty report · Floorbeam · Aerosp ATR72

Difficulty date
September 28, 2007
Submitted
October 4, 2007
Operation
Air carrier
Aircraft
N641AS
Make and model
Aerosp ATR72
Aircraft serial
387
Aircraft time
28,312 hours, 32,864 cycles
Part
Floorbeam
Condition
Corroded
Location
Fuselage
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

ETNRC - FLOORBEAM 39 CORRODED. CORROSION ON FLOORBEAM 39 REMOVED IAW SRM 51-21-42 REPAIR DETERMINED NOT TO BE A MAJOR REPAIR IN ACCORDANCE WITH S.P. 663 AND FAR 43, APPENDIX A. REPAIR ACCOMPLISHED IN ACCORDANCE WITH SRM 51-21-42 MATERIAL THICKNESS: 0.071 MATERIAL REMOVED: 0.002 WITHIN LIMITS AS PER SRM: 53-00-00 FIG 305.