SDR SIMA991101

Service difficulty report · Skin · Saab 340B

Difficulty date
April 20, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N177AE
Make and model
Saab 340B
Aircraft serial
340B177
Part
Skin
Condition
Corroded
Location
Bs 177.65
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 MBV INSPECTION, A BULGE WAS DISCOVERED ON THE AFT LOWER FUSELAGE SKIN AT STATION 177.65 ABOVE STRINGER 1524. CUT OUT DAMAGED AREA AND PERFORMED AN EDDY CURRENT INSPECTION WITH NO CRACK INDICATIONS. FABRICATED A SPACER .032 THICK. FABRICATED A REPAIR PLATE .032 THICK. CLEANED AND APPLIED ALODINE, PRIMER, AND FILLET SEALANT TO THE CONTACT SURFACE OF THE REPAIR PARTS. FILLED GAP BETWEEN THE SPACER AND THE SKIN WITH FILLET SEALANT. APPLIED TOP COAT TO THE INNER AREA AND APPLIED DINITROL. RESTORED TOP COAT TO THE OUTER SURFACE. WORK DONE IAW SAAB SRM 53-80-10 PAGE 218 AND STANDARD SRM PROCEDURES. AIRCRAFT OK FOR SERVICE. (M)

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