Airworthiness Directive · Amendment 39-15489 · Flight controls
Przedsiebiorstwo Doswiadczalno-Produkcyjne Szybownictwa “PZL-Bielsko” Model SZD-50-3 “Puchacz” Gliders
This AD applies to Model SZD-50-3 “Puchacz” gliders, all serial numbers up to and including B-2207, 503199327, 503A04001, 503A05002, and 503A05003, certificated in any category.
We are superseding an existing airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Do the following unless already done:
(1) Inspect the left-hand (LH) and the right-hand (RH) wing airbrake intermediate control levers for loose attaching bolts within 10 days after February 1, 2008 (the effective date of AD 2008-02-09), following Allstar PZL Glider Sp. z o. o. Service Bulletin No. BE-059/SZD-50-3/2007 “PUCHACZ,” dated October 15, 2007.
(2) If any loose bolt is found during the inspection required in paragraph (f)(1) of this AD, replace the split helical spring lock washers with tab washers and replace the M8x34 bolts with M8x32 bolts on both wings before further flight following Allstar PZL Glider Sp. z o. o. Service Bulletin No. BE-059/SZD-50-3/2007 “PUCHACZ,” dated October 15, 2007. After doing this replacement, no further action is required by this AD.
Do the following unless already done:
(1) If a loose bolt is not found during the initial inspection required in paragraph (f)(1) of this AD, repetitively inspect thereafter at intervals not to exceed 100 hours time-in-service (TIS) or 12 months, whichever occurs first, until you are required to do the replacement specified in paragraph (g)(2) or (g)(3) of this AD. Do the inspections following Allstar PZL Glider Sp. z o. o. Service Bulletin No. BE-059/SZD-50-3/2007 “PUCHACZ,” dated October 15, 2007.
(2) If any loose bolt is found during any inspection required in paragraph (g)(1) of this AD, replace the split helical spring lock washers with tab washers and replace the M8x34 bolts with M8x32 bolts on both wings before further flight following Allstar PZL Glider Sp. z o. o. Service Bulletin No. BE-059/SZD-50-3/2007 “PUCHACZ,” dated October 15, 2007. After doing this replacement, no further action is required by this AD.
(3) Replace the split helical spring lock washers with tab washers and replace the M8x34 bolts with M8x32 bolts on both wings within the next 1,000 hours TIS after June 5, 2008 (the effective date of this AD), following Allstar PZL Glider Sp. z o. o. Service Bulletin No. BE-059/SZD-50-3/2007 “PUCHACZ,” dated October 15, 2007. After doing this replacement, no further action is required by this AD.
Note: This AD differs from the MCAI and/or service information as follows: No differences.
