SDR SIMA991121

Service difficulty report · Skin · Saab 340B

Difficulty date
April 22, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N344SB
Make and model
Saab 340B
Aircraft serial
340B344
Part
Skin
Part number
AL7075T6
Condition
Chafed
Location
Lt Nacelle
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 MBV INSPECTION A CHAFE WAS DISCOVERED ON THE LEFT NACELLE INBOARD OUTER SKIN AT FILLET SEAL CONTACT. BLENDED THE CHAFED AREA AND PERFORMED AN EDDY CURRENT INSPECTION. RESTORED PROTECTIVE TREATMENT INCLUDING THE POLYURETHANE TOP COAT. FABRICATED A DOUBLER AND TRIPLER BOTH .050 THICK. FABRICATED A SHIM .020 THICK. APPLIED FAY SEALANT TO THE CONTACT SURFACES OF THE REPAIR PARTS AND INSTALLED TO AIRCRAFT. APPLIED FILLET SEALANT AROUND THE EDGES OF THE DOUBLER AND TRIPLER. RESTORED SURFACE FINISH. WORK DONE IAW SAAB REPAIR STATEMENT NR 72SDS1505 AND STAND SRM PROCEDURES. AIRCRAFT OK FOR SERVICE. (M)

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