ALLSTAR PZL GLIDER Sp. z o . o. ul. Cieszynska 325 , 43-300 Bielsko-Biala tel.: +48 33 812 50 26 fax: +48 33 812 37 39 techsupport @ s zd.com.pl AllterPnMr www.szd.com.pl 

# SERVICE BULLETIN BE-063/SZD-50-3/2014 ,PUCHACZ" Allstar PZL Glider consideres compliance mandatory



### DATE December 14,2014 

### SUBJECT: Inspection ofrudder cable fitting blocks 

### MODELS I 

### SERIAL NUMBERS AFFECTED: All SZD-50-3 , Puchacz", SZD-50-IM (X-127) and SZD-50-2 (X-129) 

### COMPLIANCE TIME: After receiving ofthis SB.


### NOTE Incompl ete review of all the information in this document can cause errors. Please read the entire Service Bulletin to make sure you have a complete understanding ofthe requirements .

Prepared by: Responsible for Type Design date: 

### . / .

4- ,
**1~** 

### . - .?<:!1lt 

## J,/{1/f) ( 

# 1'd mgr 

### mz . Marian Kroczek

Issued MO I DAY I YEAR 12 I 14 I 2014 Revied MO I DAY I I I Approved by: President of Allstar PZL Glider date: ..

**(. (.:/!?'** 
**:. !.**  

### Cltf;;::; ,........



# mgr **/~e**

**k**

/

Page No . R ev . YEAR I of3ALLST AR PZL GLIDER Sp. z o.o. 1. PURPOSE SERVICE BULL ETIN BE-063/SZD-50-3/20 14 , PUCHACZ"
Allstar has received the fields report as during the flight, while retracting from the spin, after applying of front left rudder pedal , the fitting block of the rudder cable to the floor went out. The reason could be improper gluing of the block including the fitting screw to the fulesage shell or partial cracking of gluing of fuselage ' s shell to the stiff block. This SB describes the actions to be taken to reduce occurence ofthe fault as above in future. 2. GLIDERS AFFECTED All SZD -5 0- 3 , Puchacz" as well as SZD-50-1M (SIN X-127) & SZD-50-2 (SIN) X-129 , in case ofnot fulfilling the actions as described in item 3 as below. 3. INSTRUCTIONS 3 .1. Inspections Immediately after receiving of this SB inspect the painting area around the block, in the place of fitting of the rudder cables and gluing to the fuselage's shell , close to the pedals: left and right (see Fig. 1 ). If found the crack, this is the sign of separating process of the block from fuselage's shell.
Possible crack

Figure 1. Crack location

I ssued R evied Page No. Rev. MO I DAY I YEAR MO I DAY I YEAR 2 of 3

12 I 14 I 20 14 I IALLST AR PZL GLIDER Sp. z o.o. SERVICE BULLETIN BE-063/ SZD-50-3 /2014 , PUCHACZ" In case of crack ' s found in any place s (left or right fitting), before the next flight, correct the fitting ofboth blocks to the shell. Follow ace. to the description in item 3.2 ofthe SB. In cracks do not appear, the glider may be exploitated until the repair ace. to item 3.2 is to be performed. 3 .2. Reinforcement of fitting In the period of time up to 12 months from receiving of this SB, for ex. during the nearest annual inspection, the repair as below should be carried out, independently if the crack is found or not (as per attached Fig. 1). Both blocks should be laminated into the fuselage 's shell with angle fabric of 20 mm width, based on two layers of 92110 INTERGLAS chamfer fabric (see Fig . 2) and following the instructions enclosed in Repair Manual.

Figure 2. Procedure of repair 4. FINAL CONCLUSIONS The costs ofintroducing ofthis SB is on User's side.-ENDIssued Rev ied Page N o . Rev. MO l DAY l YEAR MO I DAY I YEAR 3 of3 12 l 14 l 2014 l l