Service difficulty report · Frame · Aerosp ATR72

Difficulty date
August 7, 2007
Submitted
August 22, 2007
Operation
Air carrier
Aircraft
N636AS
Make and model
Aerosp ATR72
Aircraft serial
375
Aircraft time
30,111 hours, 33,709 cycles
Part
Frame
Condition
Corroded
Location
Fuselage
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

FRAME 38 LWR FLANGE BETWEEN STR 21L & 2DL CORRODED. CORROSION REMOVED IAW SRM 57-21-42 ON FR 38. ON CUTOUT IAW NTRU NO EVIDENCE OF CRACKING, FOUND LWR FLANGE 38 REPAIRED IAW TC EO 72-53-0249 MATERIAL THICKNESS .063 MATERIAL REMOVED .030 OUT OF LIMITS PER SRM 53-61-00 FIG 301. SUPPLEMENTAL- SDR CLOSED 08/22/07.