SDR SIMA991161

Service difficulty report · Skin · Saab 340B

Difficulty date
April 26, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N240DS
Make and model
Saab 340B
Aircraft serial
340B240
Part
Skin
Condition
Dented
Location
Fuselage
Stage of operation
IN
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

ABI - DURING A PS-2 CHECK, FOUND 2 DENTS IN FUSELAGE SKIN AFT OF THE LEFT ICESHIELD. THE FORWARD DENT REQUIRED REPAIR WHILE THE SECOND DENT WAS WITHIN SRM LIMITS WITH NO DEFECTS NOTED DURING THE EDDY CURRENT INSPECTION AND WAS NOT INCORPORATED IN THE REPAIR OF THE FORWARD DENT. RECONTOURED THE DAMAGE SKIN AREA. PERFORMED AN EDDY CURRENT INSPECTION OF THE REWORKED AREA. NO FURTHER DEFECTS NOTED. FABRICATED TWO EXTERNAL DOUBLERS 13 INCH BY 6 INCH AND 12 INCH BY 6 INCH, BOTH .050 THICK. APPLIED ALODINE AND ONE COAT OF EPOXY PRIMER TO THE REPAIR PIECES. FAY SEALED REPAIR DOUBLERS AND INSTALLED ON AIRCRAFT. FILLET SEALED ALL EDGES AND RESTORED SURFACE PROTECTION TO REPAIR AREA. WORK DONE IAW SAAB SRM 53-70-

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