Official Federal Register PDF source

AD 2021-21-13

Published 2021-11-17 · Document 2021-25005 · Original final-rule publication

This edition records identity, historical date wording and publication relationships. Complete applicability and model wording have not been indexed in this supplement. Aircraft applicability, installed configuration, current legal effect and compliance remain unknown.

Historical date observation: Conflict in the original publication: December 2, 2021 and January 3, 2022
Source acquired: 2026-09-28
Evidence scope: Retained exact PDF passages; full rule parsing not performed

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Original publication and correction relationship

The original official publication has a DATES-section effective date of December 2, 2021, but its operative paragraph (a) prints January 3, 2022. The official republication's editorial note identifies the November 17, 2021 original document, corrects paragraph (a) from January 3 to December 2, 2021, and states that the corrected document is republished in its entirety. The republished paragraph (a) prints December 2, 2021.

Read the separate corrective source edition

This is a dated source relationship. It does not establish present legal effect, current independent burden or work performed on an aircraft.

Exact recorded source passages

Each passage retains its original source coordinates and digest. The full publication remains available at the official link. DRS engine-model filters are discovery metadata and have not been used as applicability evidence.

ad amendment docket identity · PDF page 3

2021–21–13 Rolls-Royce Deutschland Ltd & 
Co KG (Type Certificate previously held 
by Rolls-Royce plc): Amendment 39– 
21773; Docket No. FAA–2021–0879; 
Project Identifier MCAI–2020–01494–E.

Original retained PDF text passage · characters 797–987, end exclusive.

operative paragraph a as originally printed · PDF page 3

effective January 3, 2022.

Original retained PDF text passage · characters 1047–1073, end exclusive.

published dates section effective date · PDF page 1

This AD is effective December 2, 
2021.

Original retained PDF text passage · characters 1315–1354, end exclusive.

PDF extraction limits

These passages reuse the original pypdf 6.16.1 source capture. The original extraction warnings are preserved:

Xref table not zero-indexed. ID numbers for objects will be corrected.

Retained passage evidence does not qualify full rule parsing, aircraft compliance or a paid-report conclusion.