14 CFR 91.421 - Rebuilt engine maintenance records.

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There are 10 Updates appearing in the Federal Register for 14 CFR 91. View below or at eCFR (GPOAccess)
§ 91.421 Rebuilt engine maintenance records.
(a) The owner or operator may use a new maintenance record, without previous operating history, for an aircraft engine rebuilt by the manufacturer or by an agency approved by the manufacturer.
(b) Each manufacturer or agency that grants zero time to an engine rebuilt by it shall enter in the new record—
(1) A signed statement of the date the engine was rebuilt;
(2) Each change made as required by airworthiness directives; and
(3) Each change made in compliance with manufacturer's service bulletins, if the entry is specifically requested in that bulletin.
(c) For the purposes of this section, a rebuilt engine is a used engine that has been completely disassembled, inspected, repaired as necessary, reassembled, tested, and approved in the same manner and to the same tolerances and limits as a new engine with either new or used parts. However, all parts used in it must conform to the production drawing tolerances and limits for new parts or be of approved oversized or undersized dimensions for a new engine.

Title 14 published on 2014-01-01

The following are only the Rules published in the Federal Register after the published date of Title 14.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-07-25; vol. 79 # 143 - Friday, July 25, 2014
    1. 79 FR 43240 - Interpretation of the Special Rule for Model Aircraft
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Notice of interpretation with request for comment; Extension of comment period.
      The comment period for the notice of interpretation published June 25, 2014 (79 FR 36172), is extended. Comments must be received on or before September 23, 2014.
      14 CFR Part 91

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United States Code
U.S. Code: Title 42 - THE PUBLIC HEALTH AND WELFARE
USC: Title 49a
U.S. Code: Title 49 - TRANSPORTATION
Statutes at Large
Presidential Documents

Executive Order ... 11514

Title 14 published on 2014-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR 91 after this date.

  • 2014-07-25; vol. 79 # 143 - Friday, July 25, 2014
    1. 79 FR 43240 - Interpretation of the Special Rule for Model Aircraft
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Notice of interpretation with request for comment; Extension of comment period.
      The comment period for the notice of interpretation published June 25, 2014 (79 FR 36172), is extended. Comments must be received on or before September 23, 2014.
      14 CFR Part 91