## SB

- GA200

- 2012

- 08

Issue 1
MANDATORY

PO Box 881, Morwell, Victoria 3840, Australia Ph + 61 (0) 3 5172 1200 Fax + 61 (0) 3 5172 1201 www.gippsaero.com 

# Service Bulletin

SB

- GA200

- 2012

- 08 Issue: 1 Date of Issue: 22/8/2012 Page 1 of 4 Subject:
Replacement of wing strut m ounting bolt s

.

Applicability:

All GA200 & GA200C aircraft

.

Amendments:
Nil (initial issue)

.

Background:

A s a result of a reported case of failure of the strut bolt through the main spar on a GA200 C aircraft

, GippsAero has issue d this Service Bulletin to a lert operators and maintenance organisations and to provide inspection and rectification actions

.

Compliance:

T his Service Bulletin is to be carried out within the next 10 flight hours then every periodic inspection thereafter.

Applicable Documents:

GA200 or GA200C Service Manual as applicable
GA 200 Illustrated Parts Catalogue
AC43.1 3

- 1B

Method:

Carry out an in

- situ inspection of the port a nd starboard s trut fitting s and take appropriate
corrective action as follows , refer Service Manual Chapter 57 : 1. Remove the m ain strut/wing fairing assembly and strut/fuselage fairing assembly (if fitted)

. 2. Support the wing as required. R emove and inspect all three strut attachment bolt s in

turn

. 3. D iameters for each fitting should be as specified below:

a. 570006

- 19 inboard (upper) strut fitting

– 0.5 00 to 0.510 i nches

## SB

- GA200

- 2012

- 08

Issue 1
MANDATORY

PO Box 881, Morwell, Victoria 3840, Australia Ph + 61 (0) 3 5172 1200 Fax + 61 (0) 3 5172 1201 www.gippsaero.com 

# Service Bulletin

SB

- GA200

- 2012

- 08 Issue: 1 Date of Issue: 22/8/2012 Page 2 of 4

b. 570006

- 17 strut fitting main spar

– 0.375 to 0.385 inches

c. 570006

- 15 strut fitting rear spar

– 0.750 to 0.760 inches
d. 570006

- 13 eccentric bush rear spar

– 0. 3 75 to 0. 385 inches
4. If hole size is correct, skip to Step 9 otherwise proceed to Step 5
5. If the inboard (upper) strut fitting hole diameter is larger than specified in step 3

, notify GippsAero for corrective action.
6. If the main spar h ole diameter is larger than specified in step 3 , ream the main spar strut fitting holes on the strut and the wing spar to a d iameter of 0.43 8 to 0.440 inches

.

NOTE Care is to be taken when reaming to ensure reamer does not damage surrounding structure.

7. If the hole diameter for the 570006

- 13 eccentric bush is larger than specified in step
3 , replace the bush with a new 570006

- 13 bush.
8. If the rear spar strut hole diameter is larger than specified in step 3 , notify GippsAero for corrective action.
9. Re

- attach strut to wing in accordance with the Service Manual, section 57

- 10

- 1 0. The following hardware is to be used in lieu of the original fit:

a. Replace AN8

- 23A bolt wi th NAS660 8

- 29 bolt b. Replace AN6

- 23A bolt with NAS6606

- 31 bolt

, or

c. Re place AN6

- 23A bolt with NAS6607

- 31 bolt if hole has been reamed o versize d. Replace AN6

- 15A bolt with NAS6606

- 21 bolt

e. Use MS21042

- 6 nut and MS27151

- 19 Pal Nut f. Use AN365

- 720 nut and MS27151

- 21 Pal Nut

g. Use AN365

- 820 nut and MS27151

- 24 Pal Nut
h. Use AN960

- washer s as required

. 10. Reassemble using Duralac (barium chromate) m ating compound to all attaching hardware. Torque in accordance with Chapter 20, Table 1.

Should you require any further information please contact our Customer Support Department:

Tel.: +61 ( 0 ) 3 5172 1200

Fax: +61 ( 0 ) 3 5172 1201

Email: support@gippsaero.com

## SB

- GA200

- 2012

- 08

Issue 1
MANDATORY

PO Box 881, Morwell, Victoria 3840, Australia Ph + 61 (0) 3 5172 1200 Fax + 61 (0) 3 5172 1201 www.gippsaero.com 

# Service Bulletin

SB

- GA200

- 2012

- 08 Issue: 1 Date of Issue: 22/8/2012 Page 3 of 4 Strut Fairings

Inboard strut attachment b olt , rear spar bolt & main spar bolt

Strut/Wing Fairing

Strut/Fuselage Fairing

Main spar bolt

Rear spar bolt Inboard strut attach. bolt

## SB

- GA200

- 2012

- 08

Issue 1
MANDATORY

PO Box 881, Morwell, Victoria 3840, Australia Ph + 61 (0) 3 5172 1200 Fax + 61 (0) 3 5172 1201 www.gippsaero.com 

# Service Bulletin

SB

- GA200

- 2012

- 08 Issue: 1 Date of Issue: 22/8/2012 Page 4 of 4 570006

- 19 570006

- 17

570006

- 13 570006

- 15

Main Strut Attachment Rear Strut Attachment

Inboard (upper) Strut Attachment