Issued: 18-JUL-2013 | To: FAA | 2013-016 |
It is recommended that the Federal Aviation Administration initiate action far making inert the Honeywell International RESCU406AFN fixed Emergency Locator Transmitter system in Boeing 787 aircraft until appropriate airworthiness actions can be completed. (Adequate - Closed) |
Issued: 18-JUL-2013 | To: FAA | 2013-017 |
It is recommended that the Federal Aviation Administration, in association with other regulatory authorities, conduct a safety review of installations of Lithium-powered Emergency Locator Transmitter systems in other aircraft types and, where appropriate, initiate airworthiness action. (Adequate - Closed) |
Issued: 26-JUL-2013 | To: Boeing 787-8 | EASA AD 2013-0168 |
This AD requires either removal or inspection of the Honeywell fixed ELT, and corrective actions if necessary. |
Issued: 26-JUL-2013 | To: Boeing 787-8 | FAA AD 2013-15-07 |
This AD requires either removal or inspection of the Honeywell fixed emergency locator transmitter (ELT), and corrective action if necessary. |
Issued: 18-SEP-2013 | To: several aircraft | FAA AD 2013-18-09 |
This AD requires various one-time general visual inspections of the ELT transmitter units (TUs), and corrective actions if necessary. |
Issued: 18-JUN-2014 | To: FAA | 2014-020 |
It is recommended that the Federal Aviation Administration develop enhanced certification requirements for the use of lithium-metal batteries in aviation equipment, to take account of current industry knowledge on the design, operational characteristics and failure modes of lithium-metal batteries. |
Issued: 18-JUN-2014 | To: FAA | 2014-021 |
It is recommended that the Federal Aviation Administration require that electrical performance and designabuse certification tests for lithium-metal batteries are conducted with the battery installed in the parent equipment, to take account of battery thermal performance. |
Issued: 18-JUN-2014 | To: FAA | 2014-022 |
It is recommended that the Federal Aviation Administration work with industry to determine the best methods to force a lithium-metal cell into thermal runaway and develop design-abuse testing that subjects a single cell within a lithium-metal battery to thermal runaway in order to demonstrate the worst possible effects during certification testing. |
Issued: 18-JUN-2014 | To: FAA | 2014-023 |
It is recommended that the Federal Aviation Administration require equipment manufacturers wishing to use lithiummetal batteries to demonstrate (using the design-abuse testing described in Safety Recommendation 2014-022 that the battery and equipment design mitigates all hazardous effects of propagation of a single-cell thermal runaway to other cells and the release of electrolyte, fire or explosive debris. |
Issued: 18-JUN-2014 | To: FAA | 2014-024 |
It is recommended that the Federal Aviation Administration review whether the Technical Standard Order (TSO) process is the most effective means for the certification of lithium-metal batteries installed in aircraft equipment, the actual performance of which can only be verified when demonstrated in the parent equipment and the aircraft installation. |
Issued: 19-AUG-2015 | To: FAA; EASA | 2015-014 |
It is recommended that the Federal Aviation Administration, in conjunction with the European Aviation Safety Agency and Transport Canada, conduct an assessment of the circuit protection offered by the existing Honeywell RESCU 406AF and 406AFN ELT battery, to determine whether the ELT/battery design incorporates an acceptable level of circuit protection to mitigate against external short-circuits and unbalanced discharge. (Partially Adequate - Open) |
Issued: 19-AUG-2015 | To: FAA; EASA | 2015-015 |
It is recommended that the Federal Aviation Administration, in conjunction with the European Aviation Safety Agency and Transport Canada, conduct a review of installed aircraft equipment on transport category aircraft powered by lithium-metal batteries, which have been approved under TSO-C142 /C142A or by equivalent means, to ensure that the design of such batteries incorporates an acceptable level of circuit protection to mitigate against known failure modes including, but not limited to, external short-circuits and unbalanced discharge. (Not Adequate - Open) |
Issued: 19-AUG-2015 | To: FAA; EASA | 2015-016 |
It is recommended that the Federal Aviation Administration, in conjunction with the European Aviation Safety Agency and Transport Canada, require equipment manufacturers intending to use lithium-metal batteries in aircraft equipment to demonstrate that the battery design incorporates an acceptable level of circuit protection to mitigate against known failure modes including, but not limited to, external short-circuits and unbalanced discharge. (Partially Adequate - Open) |
Issued: 19-AUG-2015 | To: FAA; EASA | 2015-017 |
It is recommended that the Federal Aviation Administration, in conjunction with the European Aviation Safety Agency and Transport Canada, require equipment manufacturers intending to use lithium-metal batteries in aircraft equipment, to quantify the heat produced by the battery over a range of discharge conditions and demonstrate that the battery and equipment design can adequately dissipate the heat produced. (Partially Adequate - Open) |
Issued: 19-AUG-2015 | To: FAA; EASA | 2015-018 |
It is recommended that the Federal Aviation Administration, in conjunction with the European Aviation Safety Agency and Transport Canada, require the manufacturers of lithium-metal batteries and manufacturers of aircraft equipment powered by lithium-metal batteries, to conduct battery-level and equipment-level failure mode and effects analyses to identify failure modes and their effects. (Partially Adequate - Open) |
Issued: 19-AUG-2015 | To: FAA; EASA | 2015-019 |
It is recommended that the Federal Aviation Administration, in conjunction with the European Aviation Safety Agency and Transport Canada, review all previously-approved aircraft equipment powered by lithium-metal batteries to determine whether they comply with the intent of the \'Toxic Gas Venting Precautions\' described in TSO-C142/ TSO-C142a Appendix 1. (Not Adequate - Open) |
Issued: 19-AUG-2015 | To: FAA; EASA | 2015-020 |
It is recommended that the Federal Aviation Administration, in conjunction with the European Aviation Safety Agency and Transport Canada, review whether the \'Toxic Gas Venting Precautions\' described in TSO-C142/ TSO-C142a Appendix 1 should be applied to portable aircraft equipment powered by lithium-metal batteries. (Not Adequate - Open) |
Issued: 19-AUG-2015 | To: Boeing | 2015-021 |
It is recommended that Boeing expedite the modelling of the B787 Environmental Control System, to examine the distribution of the ELT battery combustion products through the aircraft cabin, and demonstrate the results of this modelling to the Federal Aviation Administration. (Adequate - Closed) |