| L13/032 |
Type certificate conversion set |
| L13/040 MB |
Fin top rib - FAA
Airworthiness Directive 77-15-05 |
| L13/042 |
Periodical inspections, lengthening of service life |
| L13/045 |
Service life set at 3,750 hours, procedures for
lengthening service life |
| L13/047 MB |
Tow release mount - FAA
Airworthiness Directive 78-23-14 |
| L13/050 |
What needs to be done to lengthen service life |
| L13/052 MB |
Horizontal stabilizer outer end ribs - FAA Airworthiness Directive 80-16-03 |
| L13/059 |
Maintenance procedures and the service life
evaluation data form |
| L13/060 |
What needs to be done to lengthen service life to
4,000 hours |
| L13/061 |
Transition to maintenance program without overhauls |
| L13/062 |
Inspection for cracks on wing main spar lower flange |
| L13/063 |
Standardization of cockpit placards |
| L13/066 |
Transition to maintenance program without overhauls |
| L13/068 |
Replacement of wings at the factory |
| L13/069 |
Transition to maintenance program without overhauls |
| L13/070 |
Conditions for service life extension to 4,500 hours |
| L13/071 |
Procedure for extension of the time to next overhaul |
| L13/073a |
WO L13 maint.manual w/out overhauls update pages,
1995 |
| L13/074a |
TM L13 technical manual mods related to conversion
from L13 to L13A model, 1996 |
| L13/075a |
L13A Flight Manual changes (German text only), 1996 |
| L13/076b |
IB Extension of time period to type D revision, 1996 |
| L13/078a |
MB max. trim tab allowable tolerances, TM L13 update
4th Ed. 1977, 1997 |
| L13/079a |
MB max. trim tab allowable tolerances, WO L13 update
1st Ed. 1985, 1997 |
| L13/082a |
MB elevator drive marking, to be done by the next
annual inspection, 1998 Click here for the bulletin's full text
and drawings. FAA
Airworthiness Directive 99-19-33 |
| L13/085a |
Mandatory testing of A102021N fuselage-fin fitting,
to be done no later than Dec.31, 1999. Click here for
the bulletin's full text and drawings. FAA Airworthiness Directive 2000-20-11 |
| L13/101b |
Information bulletin - renumbering of bulletins for
use with L13AC |
| L13/103a |
Special Airworthiness Information Bulletin (flap
handles) |
| L13/105a |
Mandatory Bulletin - Controls bridge inspection for
cracks FAA Airworthiness
Directive 2007-25.01 |
| L13AC/001b |
New
L13AC- specific bulletins numeric series established |
| L13AC/002a |
Elevator
drive marking (same as L13/082a) |
| L13AC/003a |
Reinforcement
of rear fuselage and fin according to type certification
(was L13/083a) |
| L13AC/004a |
Replacement
of bottom dive brakes (was L13/084a) |
| L13AC/005a |
Initial
aerobatic time total set at 300 hours (was L13/093b) |
| L13AC/006a |
LET
factory renamed to Letecké Závody, a.s. (was
L13/094b) |
| L13AC/007a |
Mandatory
bulletin - inspection for cracks of control
column mount (was L13/095a) |
| L13AC/008a |
Maintenance
manual update tow hooks time limits between inspections
(was L13/096a) |
| L13AC/009a |
Flight
Manual update (was L13/097a) |
| L13AC/010a |
Maintenance
manual update max. airspeed placards (was L13/098a) |
| L13AC/011a |
Maintenance
manual update addition to approved instruments and
equipment |
| L13AC/012a |
Maintenance
manual update to periodic inspection list, placards,
G-force monitoring unit |
| L13AC/013a |
Flight
Manual update minimum equipment list |
| L13AC/014a |
Mandatory
bulletin only applicable to serial numbers
988601, 988603, 008605, 008606, and 028902. FAA Airworthiness Directive 2005-08-14 |
| L13AC/015b |
Information
bulletin optional G-force monitoring unit to increase
glider service life |
| L23/001a |
Flight Manual update |
| L23/002a |
Tail skid suspension reinforcement (ser.no.
897501-907614) |
| L23/003a |
Tail skid replacement (907601-907613) |
| L23/004a |
Lower towhook adjustment (907609-907621) |
| L23/009a |
Wheel spur adjustment (897501-917930) |
| L23/010a |
Tail landing gear reinforcement (897501-917921) |
| L23/011a |
Flight and Maintenance manuals updates |
| L23/012a |
Forward backrest strap replacement (897501-917921) |
| L23/013a |
Conversion set required for Type Certification
(917803-9280087) |
| L23/018a |
Reinforcement lower rudder mount (897501-948130) |
| L23/019a |
Tail lifting yoke (897501-917921) |
| L23/022a |
Maintenance manuals update (938101+) |
| L23/026a |
Flight manual update (938101+) |
| L23/027a |
Maintenance manuals update (all) |
| L23/028a |
Maintenance manuals update (all) |
| L23/029a |
Flight manual update (938101+) |
| L23/030a |
Flight manual update (938101+) |
| L23/032a |
Flight manual update (938101+) Canada,
Germany, Brazil |
| L23/033a |
Maintenance manuals update (all) |
| L23/035a |
Flight manual update Sec.9 addition. |
| L23/036a |
Maintenance manuals update Chapter 35, oxygen. Jan
28, '99 |
| L23/039a |
Maintenance manuals update Ch.5 periodic inspection
periods lengthened Mar 27, '00 |
| L23/041a |
Maintenance manuals update Ch.11 added to MM -
placards and markings. Jan 04, '02 |
| L23/043a |
Flight manual update L23 s/n 029005 and higher.
Increase of max. useful load value. Apr 9, '02 |
| L23/048a |
Mandatory Bulletin L23s up to and including
s/n 039019. (All L23s manufactured before and in 2003).
Elevator rocker lever A730201N inspection. Mar'2004. FAA
Airworthiness Directive 2004-25-17 |
| L23/050a |
Mandatory Bulletin all L23s. Check of the
control bridge at the place of gripping of control levers
in the front and the rear cockpit to exclude the presence
of eventual cracks. FAA Airworthiness Directive 2008-26-12. |
| L23/052a |
Mandatory Bulletin all L23s. Check of the
inboard elevator hinges on the stabilizer area and their
potential replacement. Reason: Appearance of cracks on
the hinges. March 4, '10. |
| L23/001d |
Documentation bulletin Maintenance manuals update
(all) |
| L23/003d |
Documentation bulletin Maintenance manuals update
(all) |
| L23/004d |
Documentation bulletin Maintenance manuals update
(968401+) |
| L23/006d |
Documentation bulletin Maintenance manuals update
(errata list 1d, 3d, 4d) |
| L23/007d |
Documentation bulletin Maintenance manuals update
(turn and bank indicator) |
| L23/008d |
Documentation bulletin Maintenance manuals update
NKDU 11 battery operation |
| L23/011d |
Documentation bulletin Maintenance manuals update
canopy removal test |
| L23/013d |
Documentation bulletin Maintenance manuals update new
Ch.35 oxygen equipment |
| L23/014d |
Documentation bulletin Maintenance manuals update
canopy jettison wires |
| L23/015d |
Documentation bulletin Maintenance manuals update
when is leveling needed? |
| L23/017d |
Documentation bulletin Maintenance manuals update new
Ch.90 -supplements- is added / July 04, 2001 |
| L23/020d |
Documentation bulletin Maintenance manuals update
control bridge inspections / August 6, 2007 |
| L33/001a |
New frame 7a installation (ser. no.
930101-930103) |
| L33/002a |
Type Certificate Conversion Set (930101-930106) |
| L33/003a |
Flight Manual updates through Oct. 1995 |
| L33/005a |
Static pressure probe adaptation (930101-940220) |
| L33/006a |
Print errors corr. FM L33 1012.5 (Canada) |
| L33/008a |
Wing hinges to be exchanged by 1500 flight hours, L33
up to and including s/n 960410 FAA Airworthiness
Directive |
| L33/011a |
Flight Manual updates 16 pages |
| L33/012a |
Maintenance manual update 56 pages 01/12/2000 |
| L33/014a |
Maintenance manual update time limit insp. for TOST
hooks is deleted. March 2002 |
| L33/015a |
Flight Manual update airspeed placards, Supplements
added. March 2002. |
| L33/001d |
Maintenance manual complete update, rev. 08/31/95 |
| L33/002d |
Maintenance manual update, rev. 06/28/96 |
| L33/003d |
Spare parts catalog update 10/96 |
| L33/004d |
Spare parts catalog update |
| L33/006d |
Maintenance manual update Section
"Supplements" is added. Jan.2002. |
L13 Blanik