{"id":"F2006B02929","name":"AD/B737/233 - Cargo Restraint Strap Assemblies","slug":"ad-b737-233-cargo-restraint-strap-assemblies","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42271,"registerId":"commonwealth-F2006B02929-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# ![](image.001.png)  \nAIRWORTHINESS DIRECTIVE\n\nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\n![](image.001.png)  \n\nBoeing 737 Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/B737/233 Cargo Restraint Strap Assemb","sectionType":"part","heading":"AD/B737/233 Cargo Restraint Strap Assemblies 1/2005","content":"# AD/B737/233 Cargo Restraint Strap Assemblies 1/2005\n\nDM\n\nApplicability: Model 737 series aircraft, on which cargo restraint strap assemblies part number 1519-MCIDS have been installed per Supplemental Type Certificate (STC) ST01004NY.\n\nRequirement: Revise the Limitations Section of the Aircraft Flight Manual (AFM), and the cargo- loading procedures of the Weight and Balance Manual (WBM), to include the following information (this may be accomplished by inserting a copy of this Directive into the AFM and the WBM):\n\n“Discontinue the use of STC ST01004NY to install Airline Container Manufacturing Company Inc., cargo restraint straps, part number 1519-MCIDS, as the only means of securing cargo to Technical Standard Order (TSO) C90c/NAS3610 pallets. Such cargo restraint straps may continue to be used a supplemental restraints to secure cargo to TSO C90c/NAS3610 pallets, or to the cargo restraint fittings in the aircraft floor, per the aircraft manufacturer’s weight and balance manuals, and within the strap rated load (5,000 lbs).”\n\nNote 1: If the above statement has been incorporated into the general revisions of the AFM and the WBM, the general revisions may be incorporated into the AFM and WBM, and the copy of this Directive may then be removed from the AFM and WBM.\n\nNote 2: FAA AD 2004-22-01 Amdt 39-13829 refers.\n\nCompliance: Within 14 days after 1 December 2004.\n\nThis Airworthiness Directive becomes effective on 1 December 2004.","sortOrder":1}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The AD narrows prior approval by prohibiting the STC-installed 1519-MCIDS straps from being the sole means to secure cargo on TSO C90c/NAS3610 pallets, confining their use to supplemental restraints or use with aircraft floor fittings and within a 5,000 lb limit; it accomplishes this by mandating AFM and WBM amendments (Applicability; Requirement)."},"complexity_factors":["Narrow technical applicability limited to Model 737 aircraft with STC ST01004NY-installed straps (Applicability).","Mandated administrative change to two operational manuals (AFM and WBM) rather than hardware modification (Requirement).","Operational constraint specifying permitted use as supplemental restraints and a 5,000 lb rated-load limit (Requirement).","Short compliance timeframe: 14 days from 1 December 2004 (Compliance).","Cross-reference to FAA AD 2004-22-01 introduces inter-jurisdictional traceability but not additional procedural steps (Note 2).","Provision allowing removal of directive text once general manual revisions are made creates a two-step compliance/administration path (Note 1)."],"plain_english_summary":"This directive requires Boeing 737 operators who installed Airline Container Manufacturing cargo straps (P/N 1519-MCIDS) via STC ST01004NY to amend the Aircraft Flight Manual and Weight & Balance Manual to stop using that STC installation as the sole means of securing cargo to TSO C90c/NAS3610 pallets. The straps may still be used as supplemental restraints or attached to aircraft floor fittings within the 5,000 lb rated load. Operators must comply within 14 days of 1 December 2004."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific unsafe condition with a specific cargo restraint system. It has not expanded beyond its original purpose of grounding the sole-use configuration of these straps while permitting supplemental use."},"complexity_factors":["Single, specific applicability criterion (one aircraft model, one part number, one STC)","Single clear requirement with straightforward compliance method (insert copy of directive)","Only two brief notes providing alternative compliance paths","No defined terms section, no cross-references to other legislation beyond a single FAA AD reference","Fixed, non-conditional compliance date","Total length: approximately 250 words"],"plain_english_summary":"This Airworthiness Directive affects Boeing 737s fitted under STC ST01004NY with cargo straps P/N 1519-MCIDS: it prohibits using those straps as the sole means to secure cargo on certain TSO C90c/NAS3610 pallets, allows them only as supplemental or floor-attached restraints, and limits strap load to 5,000 lb. Operators must insert this Directive into the AFM and W&B within 14 days of 1 Dec 2004. It prevents cargo-shift risks that could compromise aircraft balance and safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b737-233-cargo-restraint-strap-assemblies","history":"/api/acts/ad-b737-233-cargo-restraint-strap-assemblies/history","analysis":"/api/acts/ad-b737-233-cargo-restraint-strap-assemblies/analysis","conflicts":"/api/acts/ad-b737-233-cargo-restraint-strap-assemblies/conflicts","importantCases":"/api/acts/ad-b737-233-cargo-restraint-strap-assemblies/important-cases","documents":"/api/acts/ad-b737-233-cargo-restraint-strap-assemblies/documents"}}