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Alvarez Vintage Model 5024 6-String Acoustic Repair
I picked up this Alvarez from a storefront in Wisconsin. It was sent by the owner, seeking repair for some general conditions caused by age. This guitar was likely built in the 70's. It had rusted frets, lifting and crackled pickguard, cracked nut, and it was somewhat dirty.  Initially I was told that the pick guard just needed to be re-secured. But upon close examination, I found that the pick guard actually looked like 'safety glass' that had been broken. It had broken into hundreds of tiny pieces, but most of the cracks were not all the way through, but you could see them from the top. Some of the other cracks were through and separated, and lifting all over. Shown below are the "Before" and "After" photos.
 
AS RECEIVED 5-25-2016

Headstock: Note the truss-rod cover, and screws. Headstock was dusty. No real issues.

Nut: The nut had a few small factures that may have been from drying. The nut was bone, and had places where it was flaking. This was something that I felt I could use cyanoacrylic glue to repair, rather than replace the nut.

Truss Rod Cover and Screws: As can be seen, screws were rusted. Truss rod cover had a coating of something on it. Nothing that some cleaning could remedy. When cleaning vintage parts like this, care must be taken to avoid removing the printed logo.

Rusted Frets: Here you can clearly see the frets were rusted. The ones toward the sound-hole were quite severe.

Frets Raised:  As you can see, several frets are raised at the edges. This is common in vintage instruments when the wood is not kept humidified, and in drier climates, the fretboard wood dries out and shrinks--opening the fret slots.

Pick Guard Detached: As shown here, the corner of the pick guard was raised. Two other places were raised like this.

THIS SPACE INTENTIONALLY

LEFT BLANK

 
 
FINISHED 6-7-2015

Headstock is clean, keys buffed, truss rod cover cleaned and polished, and screws de-rusted (see next photo for clearer picture of de-rusted screws).

The screws are de-rusted, and the bone nut has been finished off and cracks repaired with cyanoacrylic.

Frets that were rusted, are now gleaming like new.

Frets that were raised are not seated. No buzzing.

This is the top tip of the pickguard. It was raised, but was re-seated.

The lower tip was also lifted, but is now securely attached.

Bridge was cleaned and I applied a coating of linseed oil to seal it. The oil brought out the color.

THIS SPACE INTENTIONALLY

LEFT BLANK