# Proposed AD 2000-NM-37-AD: McDonnell Douglas Model MD-11 Series Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2000-24-16
- Action: Notice of proposed rulemaking (NPRM).
- Published: July 27, 2000, 65 FR 46221
- Comments due: September 11, 2000
- Became: [AD 2000-24-16](https://openairdocs.org/ad/2000-24-16)
- Docket: 2000-NM-37-AD
- FR document: 00-18401
- Official PDF: https://openairdocs.org/files/sha256/3e/97/3e97a8baccf42c3a50f34048d3b8dd353540a944170c220facd4514ee7837e16 (from https://www.govinfo.gov/content/pkg/FR-2000-07-27/pdf/00-18401.pdf)
- Federal Register: https://www.federalregister.gov/documents/2000/07/27/00-18401/airworthiness-directives-mcdonnell-douglas-model-md-11-series-airplanes
- Page: https://openairdocs.org/proposed/2000-NM-37-AD

## Summary

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas Model MD-11 series airplanes. This proposal would require an inspection of the one phase remote control circuit breaker (RCCB) in the main avionics compartment and center accessory compartment to determine its part number and serial number, and replacement of the RCCB with a certain RCCB, if necessary. This action is necessary to ensure that defective braze joints of certain latch assemblies of the RCCB are not installed on the airplane. Defective braze joints could fail and prevent the RCCB from tripping during an overload condition, which could result in fire and smoke in certain wire bundles that are routed to and from the main avionics compartment or center accessory compartment. This action is intended to address the identified unsafe condition.

## Notices in this docket

- Jul 27, 2000: Notice of proposed rulemaking (NPRM). (first notice), FR document 00-18401, comments due Sep 11, 2000 (https://www.federalregister.gov/documents/2000/07/27/00-18401/airworthiness-directives-mcdonnell-douglas-model-md-11-series-airplanes)

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