SDR MALA976244

Service difficulty report · Skin · Saab 340B

Difficulty date
November 11, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N421XJ
Make and model
Saab 340B
Aircraft serial
421
Part
Skin
Condition
Dented
Location
Bs 356
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

DURING C CK INSPECTION, DENT NOTED IN LT FUS SKIN AFT OF ICE SHIELD AT FS 356, BETWEEN SL 1515 AND SL 1516. DUE TO DEPTH OF DENT OUT OF ALLOWABLE LIMITS IAW SAAB SRM 51-10-00, AN EX DOUBLER AND TRIPLER REPAIR, CUT OUT DAMAGED AREA MEASURING 1.375 X 2.25. NDT EDDY CURRENT REVEALED NO CRACKS TO FUSELAGE SKIN IN CUT OUT AREA. FAB'D EXTERNAL REPAIR DOUBLER AND TRIPLER FROM 2024-T3 ALUMINUM, .050 THICK, DOUBLER MEASURED 12.5 X 4.5, TRIPLER 11.0 X 4.25. REPAIR ACCOMP'D AND INSTALLED IAW SAAB SRM 53-70-10 AND 51-40-21. FILLET SEALED REPAIR IAW SAAB SRM 51-20-50. APPLIED TOP COAT OF PAINT IAW SAAB SRM 51-20-43. A PRESS LEAK CHECK WAS CONDUCTED IAW SAAB AMM 21-30-00 WITH NO DEFECTS NOTED. ALL WORK ACCOMP'D IAW S

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