{"id":"F2006B03450","name":"AD/B767/97 - Battery Ground Termination Inspection","slug":"ad-b767-97-battery-ground-termination-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43004,"registerId":"commonwealth-F2006B03450-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B767/97 - Battery Ground Termination Inspection","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)  \nBoeing 767 Series Aeroplanes\n\nAD/B767/97 Battery Ground Termination Inspection 12/97\n\nApplicability: All Boeing model 767 aircraft.\n\nRequirement: 1. Perform a detailed visual inspection to detect damage and to verify proper configuration of the battery ground terminations of the APU at the battery and connected structure:\n\n    If no damage is detected, ensure all battery ground terminations are configured properly (i.e., all required washer and other parts installed, and termination bolts are torqued properly) in accordance with Boeing Standard Wiring Practices Manual D6-54446.\n\n    b. If any damage is detected or any battery ground termination is found to be configured improperly, remove, replace, and repair the battery ground termination, as applicable, in accordance with Boeing Standard Wiring Practices Manual D6-54446 and applicable Boeing drawings.\n\nNote: FAA AD 97-15-09 Amdt 39-10083 refers.\n\nCompliance: 1. The initial inspection is to be completed by the 9th January 1998.\n\n    2. The visual inspection is to be repeated at intervals not to exceed 1,000 flight hours.\n\n    3. Requirement 1b is prior to further flight.\n\nInstallation of Boeing Alert Service Bulletin 767-24A0111 is considered terminating action for the repetitive inspections.\n\nThis airworthiness directive becomes effective on 6 November 1997.\n\nBackground: The FAA has received several reports of smoke or fire that originated in areas adjacent to the auxiliary power unit (APU) battery grounds on Boeing Model 767 series airplanes. Investigation revealed that APU battery grounds were not installed/maintained properly on these airplanes. In addition, the existing design of the battery ground (i.e., single lug) is prone to overheating when installed improperly. Such improper installation/maintenance, if not corrected, could result in heat damage to the battery ground of the APU and consequent smoke/fire on the airplane.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive applies to all Boeing 767s and prescribes inspections, repair-before-flight, a 1,000-flight-hour repeat interval, and a terminating service bulletin. The text contains no language that narrows or expands that applicability beyond what is stated, so no change in scope is evident from this instrument alone."},"complexity_factors":["Clear applicability: 'All Boeing model 767 aircraft' — straightforward population to inspect (Applicability).","Simple required action: detailed visual inspection and verification of configuration using Boeing Standard Wiring Practices Manual D6-54446 (Requirement 1).","Binary repair trigger: if damage or improper configuration is found, 'remove, replace, and repair... in accordance with' Boeing manual and drawings (Requirement 1b) — leaves technical methods to Boeing documents.","Recurring compliance interval: repeat inspection 'at intervals not to exceed 1,000 flight hours' — creates predictable ongoing burden (Compliance 2).","Immediate grounding risk: Requirement 1b 'is prior to further flight' — enforces repairs before flying again, imposing operational constraints (Compliance 3 / Requirement 1b).","Terminating action specified: installing Boeing Alert Service Bulletin 767-24A0111 terminates repetitive inspections — gives operators an optional capital/maintenance action to remove recurring burden (Installation of Boeing Alert Service Bulletin).","Interagency cross-reference: Note referencing FAA AD 97-15-09 ties this AD to prior FAA findings and may affect harmonised compliance documentation (Note / Background).","Technical specificity delegated to manufacturer documents (Boeing Manual and drawings) increases reliance on external technical standards for correct compliance (Requirement 1, Requirement 1b)."],"plain_english_summary":"Requires operators of all Boeing 767 aircraft to perform a detailed visual inspection of the APU battery ground terminations, fix any damage or improper configuration per Boeing wiring practices, and repeat the check every 1,000 flight hours. Repairs must be completed before further flight; installing Boeing Alert Service Bulletin 767-24A0111 ends the repetitive checks. The rule targets a fire/smoke hazard from improperly installed or maintained APU battery grounds and allocates inspection and repair costs to aircraft operators."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific known defect (APU battery ground termination issues) on a specific aircraft type (Boeing 767). The scope remains precisely limited to the original safety concern identified by the FAA and adopted by CASA."},"complexity_factors":["Single, specific technical requirement (visual inspection of one aircraft component)","Only 4 defined elements: applicability, requirement, compliance, and background","No nested conditional logic — simple if/then structure (if damage found, repair; if not, verify configuration)","Single cross-reference to FAA AD 97-15-09 and one Boeing manual","Clear, fixed compliance dates and intervals","Terminating action clearly specified (installation of specific service bulletin)"],"plain_english_summary":"This Airworthiness Directive applies to all Boeing 767 operators and requires inspections of the APU battery ground connections after reports of smoke and fires from incorrect or loose single‑lug installations. Inspections must be done by 9 January 1998 and repeated every 1,000 flight hours; any damage must be repaired before the next flight, following Boeing’s D6‑54446 procedures.\n\nInstalling Boeing Alert Service Bulletin 767‑24A0111 provides the terminating fix for the repetitive inspections. The AD took effect 6 November 1997."},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/ad-b767-97-battery-ground-termination-inspection","history":"/api/acts/ad-b767-97-battery-ground-termination-inspection/history","analysis":"/api/acts/ad-b767-97-battery-ground-termination-inspection/analysis","conflicts":"/api/acts/ad-b767-97-battery-ground-termination-inspection/conflicts","importantCases":"/api/acts/ad-b767-97-battery-ground-termination-inspection/important-cases","documents":"/api/acts/ad-b767-97-battery-ground-termination-inspection/documents"}}