SZD-54-2
„Perkoz”
TECHNICAL SERVICE MANUAL
SECTION 16.
PERIODIC MAINTENANCE
Issue II
April 2014
Revision
Allstar PZL Glider Sp. z o.o.
Doc No. 542.4.02
page 16.5
corrected
16.10. Maintenance work and actions carried out on a sailplane
Below, there is a list of maintenance work and actions, that should be
performed in accordance with given schedule.
NOTE:
After first 50 flying hours since new, an overhaul must be
performed in a scope like for 12 mth / 300 h periodic overhaul.
Column description:
12 mth / 300 h
- periodic overhaul performed every 12 months (annual) or every
300 flying hours
– whichever occurs first;
HL
- overhaul after hard landing or after landing with ground loop;
1000 h
- main overhaul, to be made after every 1000 flying hours.
Hard landing definition:
For a “hard landing” is considered such, in which the structure could be
tensioned beyond the level anticipated within operation limits. To category of hard
landing included are also cases of belly rubbing, pancaking, excessive cross-wind,
ground loop landing, or hitting an obstacle with wing or with other structure part.
In every case, hard landing is an indication for mandatory structure overhaul,
in accordance with the specification below.
The structure overhaul is mandatory also after exceedance of operation
limitations (maximum airspeed, manoeuvring airspeed, manoeuvring loads etc.) and
after flight in strong turbulence (e.g. rotor cloud turbulence).
Reference explanation:
Actions marked with asterisk (*) on main inspection list are to be performed after full
disassembly of unit/system.
During maintenance actions marked by (z) special attention should be paid to parts
and places listed in item 16.9. due to fatigue character of load.
1 - Additional actions for instruments are to be completed in accordance with
maintenance programme after 50 or 100 flying hours, contained in Manual for the
concerned instrument
2 - Additional actions for instruments are to be completed in accordance with
maintenance programme after 500 flying hours, contained in Manual for the
concerned instrument
3 - Additional actions for instruments are to be completed in accordance with
maintenance programme after every 12 months, contained in Manual for the
concerned instrument
4 - Additional actions for instruments are to be completed in accordance with
maintenance programme after 300 flying hours, contained in Manual for the
concerned instrument