{"id":"F2006B05912","name":"AD/PA-34/41 - Nose Gear Centering Attach Bolt","slug":"ad-pa-34-41-nose-gear-centering-attach-bolt","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135980,"registerId":"commonwealth-F2006B05912-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-34/41 - Nose Gear Centering Attach Bolt","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nPiper PA-34 (Seneca) Series Aeroplanes\n\nAD/PA-34/41 Nose Gear Centering Attach Bolt 10/92\n\nApplicability: Model PA-34-200 with serial numbers 34-7250001 through 34-7450220. Model PA-34-200T with serial numbers 34-7570001 through 34-8170082.\n\nRequirement: 1. Inspect the nose gear centering spring assembly and determine whether a clevis- head bolt or hex-head bolt is installed.\n\n    2. If a P/N 400-910 clevis-head bolt is installed, ensure that it correctly installed in accordance with paragraph 2 of the INSTRUCTIONS section of, and Sketch “A” in Piper SB 893.\n\n    (a) If the bolt is correctly installed, incorporate placard P/N 582-943 in accordance with paragraph 6(c) of the INSTRUCTIONS section of Piper SB 893.\n\n    (b) If the bolt is incorrectly installed, disassemble and reinstall in accordance with paragraphs 3 through 6 of the INSTRUCTIONS section of Piper SB 893, and incorporate placard P/N 582-943 in accordance with paragraph 6(c) of the INSTRUCTIONS section of Piper SB 893.\n\n    3. If a hex-head bolt or a clevis-head bolt that is not P/N 400-910 is installed, replace with a P/N 400-910 clevis-head bolt in accordance with paragraphs 3 through 6 of the INSTRUCTIONS section of Piper SB 893, and incorporate placard P/N 582- 943 in accordance with paragraph 6(c) of the INSTRUCTIONS section of Piper SB 893.\n\nNote: FAA AD 92-13-05 Amdt 39-8275 refers.\n\nCompliance: Within 100 hours time in service after 17 September 1992.\n\nBackground: Reports of nose gear extension problems prompted the FAA to investigate the nose landing gear system on several of the affected aircraft. The FAA found that the nose gear centering spring assembly was incorrectly installed in many instances. The effective date required by the FAA is extended by one month.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"The AD adopts the FAA's requirements for inspection, correction or replacement of the nose‑gear centering attach bolt and placard installation, but extends the FAA's required effective date by one month as noted in the Background. Other applicability and technical requirements remain as stated."},"complexity_factors":["Narrow applicability by specific models and serial number ranges (limits affected fleet).","Procedural dependency on Piper Service Bulletin 893 for installation instructions and sketch references.","Conditional actions with multiple branches depending on bolt type and whether installation is correct (inspect → verify → reinstall or replace → placard).","Mandatory incorporation of a specific placard (P/N 582‑943) as part of compliance.","Specified compliance window tied to flight hours (100 hours after 17 September 1992).","Reference to FAA AD (92‑13‑05) and an adjusted effective date (extended by one month) creates cross‑regulatory linkage."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of specified Piper PA‑34‑200 and PA‑34‑200T aeroplanes (listed serial numbers) to inspect the nose‑gear centering spring assembly, verify a P/N 400‑910 clevis‑head bolt is fitted and correctly installed per Piper Service Bulletin 893, replace it if necessary, and fit placard P/N 582‑943. Compliance is within 100 hours time in service after 17 September 1992. The FAA found incorrect installations that were linked to nose‑gear extension problems, prompting the inspection and corrective actions."},"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"},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical defect in specific aircraft. It has not expanded beyond its original purpose of mandating inspection and correction of nose gear centering spring assembly installation."},"complexity_factors":["Short, single-purpose directive with clear sequential steps","Only 2 aircraft models affected with specific serial number ranges","Three distinct compliance pathways based on inspection findings","References to external Piper Service Bulletin (SB 893) for detailed instructions","Single cross-reference to corresponding FAA Airworthiness Directive","Minimal defined terms (only standard aviation part numbers and document references)"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of specified Piper PA‑34 Seneca aircraft to inspect the nose landing‑gear centering spring bolt and, depending on findings, reinstall or replace the correct bolt and fit a warning label. It’s mandatory because an incorrect or misinstalled bolt can prevent nose gear extension, risking a gear‑up landing.\n\nCompliance: inspections and any corrective work must be done within 100 flight hours after 17 Sep 1992."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-34-41-nose-gear-centering-attach-bolt","history":"/api/acts/ad-pa-34-41-nose-gear-centering-attach-bolt/history","analysis":"/api/acts/ad-pa-34-41-nose-gear-centering-attach-bolt/analysis","conflicts":"/api/acts/ad-pa-34-41-nose-gear-centering-attach-bolt/conflicts","importantCases":"/api/acts/ad-pa-34-41-nose-gear-centering-attach-bolt/important-cases","documents":"/api/acts/ad-pa-34-41-nose-gear-centering-attach-bolt/documents"}}