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AD/B737/18 Amdt 2 – Take-Off Warning
Boeing 737 Series AeroplanesBoeing 737 Series Aeroplanes
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Boeing 737 Series Aeroplanes
| AD/B737/18 Amdt 2 | Take-Off Warning | 19/2013 |
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| Applicability: | All model 737 aircraft. |
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| Requirement: | Either:1. Action in accordance with FAA AD 88-22-09 Amdt 39-6054; or2. Where a Take-off Configuration Warning System (TOCWS) Aural Warning Module part number 69-78214-1 is installed on the aeroplane, perform an operational and functional check of the TOCWS in accordance with Boeing Service Letter 737-SL-31-034 dated 31 May 1995. |
| Compliance: | For Requirement 1 - This compliance remains unchanged as `Within 200 hours time in service from 9 December 1988 and thereafter at intervals not exceeding 200 hours time in service’.For Requirement 2 - Effective 23 May 1996, initially within 500 hours time in service from a check in accordance with Requirement 1 and thereafter at intervals not to exceed 500 hours time in service.FAA Letter 98-103S-83 dated 18 Feb 1998 is approved for use as an alternative means of compliance (AMOC) with the requirements of this AD on all 737-600/-700/-800 airplanes. |
| The effective date of this Amendment is 27 September 2013. | |
| Background: | A significant number of take-off configuration warning systems were discovered to be inoperative during a one-time inspection of all Boeing 727 aircraft.Amendment 1 of this Airworthiness Directive introduced an alternate method of compliance, with an extension of the repetitive check period. |
| Amendment 2 of this Airworthiness Directive is issued to allow the use of an FAA AMOC for 737-600/-700/-800 airplanes. |
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Peter Nikolic
Delegate of the Civil Aviation Safety Authority
11 September 2013