Service Bulletin SAMBURO

LTA Nr.

Release date

TM Nr.

Release date

Affected series and serial number

Object

Deadlines

 
15/10/1976
(-v, -s) all
Check main running gear for damage; check airspeed indicator system for leaks
at the next 50 or 100 h inspection
 
29/09/1977
(-v, -s) all
Replace the rubber grommets of the cable bushings in the firewall with nylon bushes
at the next 50 or 100 h inspection
 
03/11/1977
(-v, -s) all
Spacer discs on sash connection bolts; marking
at the next 100 h inspection
 
04/01/1978
(-v, -s) all
Engine panelling, paint inside with fire protection paint
at the next 50 or 100 h inspection
 
14/09/1994
(-v, -s) all
Engine panelling, paint inside with fire protection paint
at the next 50 or 100 h inspection
 
18/01/1978
(-v, -s)all German-licensed motor gliders
Airspeed indicator markings, type plates, ignition lock, fuel and oil lines, rubber grommets in the firewall, deviation table, flight manual, maintenance manual, information sign in the driver's cab, labelling
immediately after import to Germany
 
–missing –
15/03/1978
AVo 68-v and -s
Since authorisation in the BRD
28/02/1980
30/10/1979
(-v, -s) all
Ignition lock
at the next 50 h inspection
18/02/1982
21/09/1981
(-v, -s) all
Checking and replacing the cross bearing blocks
1. every 20 h
2. at the next 100 h inspection, at the latest by 31.12.82
 
[Limbach]
11/07/1984
AVo 68-s
Conversion to series AVo 68-v
optional
 
[Limbach]
11/07/1984
AVo 68-v
AVO 68-s
Replace Limbach SL 1700 EI with L 2000 EO 1; Replace HO-V R/L 150 A with HO-V 62 R/L 160 T; Replace Limbach SL 1700 EI with L 2000 EO 1; Replace HO-11-150 B 75 L with HO-11 A-150 B 90 L
optional
 
[Hoffmann]
17/05/1988
AVo 68-v
Replacement engine according to Limbach TM 808/L2000; replacement HO-V 62 R/L 150 A with HO-V 62()/L160BT
optional
05/01/1995
14/09/1994
(-v) with SL 1700 EI, HO V62 R
Changing the speed sensor markings
at the next annual inspection
 
14/05/1996
(-v, -s) all
Conversion AVo68-s & AVo68-v to the AVo68 -R ‘Samburo’ pattern
optional
 
28/04/1996
(-v, -s) all
Welding work with modern welding processes - here WIG (Wolfram Inert Gas)
optional
 
01/12/1997
(-v, -s) all
Manual revision
at the next annual inspection
 
15/12/1997
(-v) each combined with L2000 EO 1 engine
Cooling air routing; changing the motor cowling
optional
 
17/04/1998
(-R) all
Aerotow
optional
11/02/1999
18/09/1998
(-v, -s) all with L2000 EO 1 and SL 1700 E 1 engine
Engine suspension bolt
until 31.03.99
10/08/2000
18/02/2000
all, AVo68-s, -v, -R
Inspection the tailplane connection
immediately before the next flight
07/09/2000
07/03/2000
all, AVo68-s, -v, -R
Corrosion on the nose bar fitting
within a month
22/09/2000
22/09/2000
all, AVo68-s, -v, -R
Faulty galvanic treatment in the sheet metal package of the HLW connection fitting can lead to corrosion and breakage of the fitting.
immediately before next flight
30/11/2001
23/11/2001
AVo68-series, all
Tailplane, elevator Crack formation during mass equalisation on the elevator at the connection point
immediately before the next flight within the next 10 flight hours
05/02/2002
21/01/2002
AVo68-series, all
Tailplane, elevator Cracking during mass equalisation on the elevator
immediately before the next flight within the next 10 flight hours
++ NEW ++
++ NEW ++
++ NEW ++
++ NEW ++
++ NEW ++
++ NEW ++
++ NEW ++
 
09/03/2007
AVo68-R all
Installation of the ROTAX type 912 S3 aircraft engine based on the AVo68-R100 series
optional
 
10/04/2007
AVo68-R alle
Changing the material of the banjo bolts for the main spar fitting (avoidance of supply bottlenecks)
wahlweise
 
Rev 0
27/02/2008
AVo68-R all
Modification of the engine mount to allow the installation of a larger starter motor
optional
 
Rev 1
09/04/2014
AVo68-R100
AVo68-R115
Modification of the engine mount to allow the installation of a larger starter motor
optional
 
16/06/2010
all
Recognised repair procedures in accordance with EU Regulation 1702/2003 Part 21, Section M
in the case of a major repair
 
[TM 808 – 23]
im Zulassungsverfahren
all
Installation of authorised avionics devices
optional
 
09/11/2009
AVo68-R100, all
AVo68-R115, all
Installation of a WIMI FVA 24c rope winch
optional
 
09/11/2009
AVo68-R100, all
AVo68-R115, all
Convert right brake lever to left
optional
 
12/07/2013
AVo68-R100, all
AVo68-R115, all
 Mounting plate for wheel panelling
optional
 
19/03/2015
AVo68-R100, all
AVo68-R115, all
Changing the cylinder head temperature to coolant temperature measurement
1) within the next 25 operating hours, but no later than 31 March 2015
2) by 31.12.2015 at the latest
 
30/11/2017
AVo68-R Samburo, TM 808-19 performed
AVo68-R100 Samburo, all MSN
AVo68-R115 Samburo, all MSN
Adaption of Oil Cooler Mount and attachment of new Oil Cooler Mount on Cowling.
Optional
 27/04/2021
17/02/2021
AVo68-R Samburo
All serial numbers
Replacement of the elevator mass balance due to recurring formation of cracks
Mandatory
 
21/06/2021
AVo68-R Samburo
All serial numbers
Slotted hole modification of the elevator mass balance
Optional
 
20/02/2023
AVo68-R Samburo
All serial numbers
Replacement of bowden cable for the control of the engine cooling air flap at cowling bottom side (following cowlflap) of the company Hartmann with equivalent product. Supplement of existing drawing AVo68-08.06.01 Cowlflap Zusammenbau to new revision status “a” including reference to new drawing AVo68-08.06.01.06 Cowlflap Control Cable.
Optional

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