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Collins 344C-1D Instrument Amplifier 522-3120-004 Boeing 737 Southwest N86SW For Sale

Collins 344C-1D Instrument Amplifier 522-3120-004 Boeing 737 Southwest N86SWWhen you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

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Collins 344C-1D Instrument Amplifier 522-3120-004 Boeing 737 Southwest N86SW:
$159.00

Collins instrument amplifier, type 344C-1D, P/N 522-3120-004, from Southwest Boeing 737-2H4 N86SW.

AIRLINE PROVENANCE
Southwest Airlines - Boeing 737-2H4, registration N86SW, MSN 22827.

Nomenclature on plate: INSTRUMENT AMPLIFIER
Type: 344C-1D
Collins part no: 522-3120-004
Serial number: 1278 on the data plate; the removal tag records 1276
Approvals: TSO-C4a, C6e, C52a
Power: 115V 400 CPS
Weight on plate: 7 LB
Maker: Collins Radio Company, Cedar Rapids, Iowa
Service label: Rockwell Collins, Dallas Service Center, Irving, Texas
Removal tag: Universal Asset Management, Memphis TN, 8-18-05, part name Inst. Amp, condition AR (as removed)

The 344C is the amplifier that drives the pilot's course and glideslope instruments from the navigation receivers, which is why it carries three TSOs at once.

Sold AS-IS / as-removed. UNTESTED. No current airworthiness tag / no 8130-3. NOT for aircraft installation / not approved for return to service. Not sold as an aircraft part. Sold for display, collecting, flight-sim, study, or repair/overhaul. Buyer assumes all responsibility for any use.

About the source of this item
From the leftover inventory of an aviation component shop that did inspection, repair and certification work; when the company closed the remaining stock went to sale. That origin is real, but it does not mean this unit is approved for flight use today.
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