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SB 580

This document is a service release from Piper Aircraft Corporation regarding the installation of a drain hole in the air scoop of certain aircraft models. It outlines the affected models and serial numbers, compliance time, and provides instructions for inspection and installation of the drain hole. The service release is effective immediately and encourages contact with Piper Field Service Facility for assistance if needed.

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Alex Garcia
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40 views2 pages

SB 580

This document is a service release from Piper Aircraft Corporation regarding the installation of a drain hole in the air scoop of certain aircraft models. It outlines the affected models and serial numbers, compliance time, and provides instructions for inspection and installation of the drain hole. The service release is effective immediately and encourages contact with Piper Field Service Facility for assistance if needed.

Uploaded by

Alex Garcia
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Piper Aircraft Corporation Lock Haven, Pennsylvania, U.S.A.

“DOA SO-1 Approved” October 19. 1977 S

Subject: Engine Cowling Air Scoop Drain Hole

Models Affected: Serial Numbers Affected:

PA-28-181 Cherokee Archer .................... 28-7690001 to 28-7790530 Inclusive


PA-28-235 Cherokee Pathfinder .................. 28-10001 to 28-7710046 Inclusive
PA-32-260 Cherokee Six 260 .................... 32-l to 32-7700016 Inclusive

Compliance Time : Recommended at the next regularly scheduled inspection, not to exceed
100 hours of operation.

Purpose : A drain hole was omitted from the air scoop located on the bottom of the engine
lower cowl on a number of the above referenced aircraft.

This Service Release contains instructions to inspect the subject air scoop and to install
the drain hole if it is found to be missing.

Instructions: (Refer to sketch on reverse side.)

1. Check the bottom surface of the air intake scoop for the presence of a
191 hole located approximately 8” back from the forward edge of the scoop.
if a dram hole is present, no further action is necessary. Make a log book
entry that this Service Bulletin has been complied with.

NOTE

The check described above may be accomplished by the owner/operator.

2. If no hole is found, then drill a .191 hole at the location shown in the sketch.
Make a log book entry that this Service Bulletin has been complied with.

Material Required: Not Applicable.

Availability of Parts : Not Applicable.

Effectivity Date: This Service Release is effective upon receipt.

Summary: Please contact your Piper Field Service Facility if any assistance is necessary
regarding this release.
Lower Engine Cowl

. 191 Drain Hole

Ref.: S.B. #580

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