SERVICE INSTRUCTION SI 06-01
GRUMMAN/AMERICAN GENERAL AA5B TIGER · Service Bulletins
Overview
This service bulletin provides instructions for compliance with AD 79-22-04 regarding aileron oscillation issues in Grumman American General AA-5 series aircraft. It outlines inspection procedures to verify the contour of aileron skins and the necessary actions based on the inspection results.
- Applies to AA-5, AA-5A, and AA-5B models.
- Inspection required at the next 100 hour or annual inspection.
- Aileron contour deviations can cause handling issues.
- Template inspection is necessary to verify aileron skin contour.
- Compliance with Service Bulletin 163 is required if applicable.
- No alterations to aileron skin are allowed.
- Aircraft with compliant ailerons do not require further inspections.
- Non-compliant ailerons require inspections every 100 hours.
Document
Source
Originally published by approachaviation.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Year ·
- 2006
- File size ·
- 145 KB
- Publisher ·
- approachaviation.com
- Language ·
- en
What is the SERVICE INSTRUCTION SI 06-01?
The SERVICE INSTRUCTION SI 06-01 is a service bulletins for the GRUMMAN/AMERICAN GENERAL AA5B TIGER, dated 2006.
Where does the SERVICE INSTRUCTION SI 06-01 come from?
This copy of the SERVICE INSTRUCTION SI 06-01 was originally published by approachaviation.com and is hosted on Sprinkle as a free, searchable reference copy.
What year was the SERVICE INSTRUCTION SI 06-01 published?
The SERVICE INSTRUCTION SI 06-01 — the GRUMMAN/AMERICAN GENERAL AA5B TIGER service bulletins on file — is dated 2006.
Most owners only have the POH. Here's the essential set for the GRUMMAN/AMERICAN GENERAL AA5B TIGER.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
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In this document
General
The primary cause of aileron oscillation is a deviation in the contour of the aileron skin. Correctly contoured ailerons can eliminate the need for repetitive inspections.
Inspection Procedure
Instructions for fabricating an inspection template and conducting visual inspections of the aileron skin at specified intervals.
Caution
Do not attempt to alter the skin by deformation as minor contour deviations can lead to major handling changes.
Compliance Recording
Record compliance with this service instruction in the aircraft log book.
Inspection Results
If ailerons are compliant, no further inspections are needed; if not, inspections must occur every 100 hours.
Safety notes
- Do not attempt to alter the skin by deformation.
- Minor contour deviations can cause major handling changes.
Full document text
AIRCRAFT, LLC 226 Pilot Way, Martinsburg, WV 25401 SERVICE INSTRUCTION SI 06-01 ATA 2710 DATE: August 1, 2006 SUBJECT: AD 79-22-04, Alternate Means of Compliance MODEL/SERIALS AFFECTED: AA-5 All AA-5A All AA-5B All AG-5B Not Affected TIME OF COMPLIANCE: At the next scheduled 100 hour inspection per AD 79-22-04 or next annual inspection. GENERAL: It has been determined that the primary cause of occasional aileron oscillation on some AA-5 series aircraft is a deviation in the contour of the aileron skin across the aft 1/3 of the aileron chord. By verifying that correctly contoured ailerons are installed, the 100 hour inspections mandated by AD 79-22-04 may be eliminated. INSPECTION: A. Verify that Service Bulletin 163 and Service Kit 144 (Aileron Torque Tube Inspection and Modification) have been accomplished (if applicable). B. Perform the following inspection: Reference Figures 1 through 4 1. Fabricate the inspection template in accordance with Figure 1. The template should be made from at least 0.032-thick aluminum. 2. Locate the aircraft in a well lighted area for adequate inspection. 3. Using a ruler and a removable marker, place a mark at each 1 inch of aileron span at the leading edge and trailing edge on both upper and lower surfaces of each aileron. 4. Place the template across the aileron, perpendicular to the trailing edge at the first 1 inch mark as shown in Figure 2. Visually inspect the aileron skin between the forward and rear spar of the aileron for contact with the template at any location other than at the forward and rear spar. 5. Repeat this inspection at each 1 inch interval on both the upper and lower surface of each aileron. CAUTION: DO NOT ATTEMPT TO ALTER THE SKIN BY DEFORMATION. MINOR CONTOUR DEVIATIONS IN THIS AREA CAN CAUSE MAJOR HANDLING CHANGES. C. If there is no skin contact with the template other than at the forward and rear aileron spar as shown in Figure 3, the aileron skin contour complies with the intended aileron design criteria. If both ailerons are found to be in contour and Service Bulletin 163 has been complied with, then the aircraft is acceptable and further repetitive inspections of the control system per Airworthiness Directive 79-22-04 are no longer required. D. If any aileron skin contacts the template at a point other than the forward and trailing edge spar as shown in Figure 4, the aileron is out of contour. Aircraft with an out of contour aileron must be inspected every 100 hours in service to the requirements described in AD 79-22-04 paragraph (b). E. Record compliance with this service instruction in the aircraft log book. CONTOUR INSPECTION TEMPLATE Figure 1 INSPECTION SETUP Figure 2 CORRECT CONTOUR Figure 3 INCORRECT CONTOUR Figure 4