# Proposed AD FAA-2006-26049: McDonnell Douglas Model DC-10-10, DC- 10-10F, DC-10-15, DC-10-30, and DC-10-30F (KC-10A and KDC-10) Airplanes; Model DC-10-40 and DC-10-40F Airplanes Equipped With Pratt & Whitney JT9-20 or JT9-20J Engines; and Model MD-10-10F and MD-10-30F Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2007-04-17
- Products: McDonnell Douglas
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: October 13, 2006, 71 FR 60448
- Comments due: November 27, 2006
- Became: [AD 2007-04-17](https://openairdocs.org/ad/2007-04-17)
- Docket: FAA-2006-26049 (https://www.regulations.gov/docket/FAA-2006-26049, where comments are filed)
- Project: 2006-NM-177-AD
- FR document: E6-17003
- Official PDF: https://openairdocs.org/files/sha256/00/42/0042b625b522b7516fc4216d08af552d775b3a0142bb15ca5fc447f834900e93 (from https://www.govinfo.gov/content/pkg/FR-2006-10-13/pdf/E6-17003.pdf)
- Federal Register: https://www.federalregister.gov/documents/2006/10/13/E6-17003/airworthiness-directives-mcdonnell-douglas-model-dc-10-10-dc-10-10f-dc-10-15-dc-10-30-and-dc-10-30f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9BC43E2084CE71678625720600685D9E.0001
- Page: https://openairdocs.org/proposed/FAA-2006-26049

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for the McDonnell Douglas airplanes previously described. This proposed AD would require replacing the control modules of the fire detection systems of the propulsion engines with new, improved control modules. This proposed AD results from a report of broken or severed wiring between engine fire detectors and the fire detection system control module, which caused the fire detection system to become non-functional without flightcrew awareness. We are proposing this AD to prevent unannunciated fire in a propulsion engine, which could cause injury to flightcrew and passengers or loss of the airplane.

## Notices in this docket

- Oct 13, 2006: Notice of proposed rulemaking (NPRM). (first notice), FR document E6-17003, comments due Nov 27, 2006 (https://www.federalregister.gov/documents/2006/10/13/E6-17003/airworthiness-directives-mcdonnell-douglas-model-dc-10-10-dc-10-10f-dc-10-15-dc-10-30-and-dc-10-30f)

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