SAIB CE-00-38 —

ATTACHMENT PRZEDSIEBIORSTWO DOSWIADCZALNO-PRODUKCYJNE SZYBOWNICTWA PZL-BIELSKO in bankruptcy uL.Cleszyhake 325 43-300 Bielsko-Biala POLSKA Tel. +48 (033) 812 50 21 fax. +48 (033) 812 37 39 Orzecezenie GZLC IKCSP Nr 023 ACCEPTED BY APPROVED BY Syndic of ,,PZL-Bielsko” Chief Inspector of CAIB on: May 30, 2000 on: June 6, 2000 [—] [—] Andrzej Sjkora, M.Sc. Zygmunt Mazan, M.Sc. Eng. MANDATORY BULLETIN No BE-048/SZD-50-3/2000 ,,PUCHACZ” DESIGNATION-TYPE/MODEL: SZD-50-3 ,,PUCHACZ” SERIA / NUMBER: All gliders of SZD-50-3 ,,PUCHACZ” type CONCERNS: Inspection of fuselage front bracket console COMPLIANCE TIME: On receiving this Bulletin. ELABORATED BY: AGREED WITH: Responsible for type design CAIB Division No X Senior Eng. of CAIB Bogumit Bereś, M.Sc. Eng Jerzy Medrzak, M.Sc. Eng [—], 29.05.2000 [—], 29.05.2000 (signature date) (signature date) Bielsko-Biala Translated by

PDPS "PZL-BIELSKO" MANDATORY BULLETIN No BE-048/SZD-50-3/2000 "PUCHACZ" Pago: 2 of: 3 1. GROUNDS FOR ISSUANCE OF THIS BULLETIN Bulletin Issued due to first information on cracks detected in the front bracket console, mounted on front bulkhead fuselage. 2. LIST OF FACTORY NOS COVERED WITH THIS BULLETIN All gliders of SZD-50-3 ,,PUCHACZ" type. 3. INSPECTION PROCEDURE Inspection to be held at sites indicated in the following sketch, both on front and back side of fuselage front bulkhead. 1. Preparatory action at sites specified in a sketch. - Wash-out paint from the surface, and de-grease the latter with acetone. - Remove impurity from console surface with wire brush. - Pre-check the specified sites with aid of magnifying glass of 5x magnification at least. 2. In case of doubts, employ the non-destructive magnetic-flourescent, penetrant- fluorescent or penetrant-colour method accepted by Airworthiness Authority.

PDPS "PZL-BIELSKO" MANDATORY BULLETIN No BE-048/SZD-50-3/2000 "PUCHACZ" Pago: 3 of: 3 4. FINAL CONCLUSION In cases of finding on a console cracks above 3 mm, this plane should be withdrawn from operation, and producer is to be supplied by fax (No +48 33 812 37 39) with the following information: - glider Factory No. - year of production - total flying time - total amount of hour flown in aerobatics - location and size of detected crack. After collecting the necessary information, a Bulletin will be issued - one specifying the repair procedure. 5. ENCLOSURES There are no enclosure to this Bulletin. - THE END -