79-25-03: Second, Third, And Fourth Stage Turbine Wheels
FAA order 79-25-03 is an airworthiness directive in force since December 13, 1979. The FAA's subject line: Second, Third, And Fourth Stage Turbine Wheels. System: engine.
What it applies to as the FAA lists it
- Kind of product
- Engine
- Makes
- Rolls-Royce Corporation
- Models
- 501-D13, 501-D13A, 501-D13D, 501-D13E, 501-D13H
Dates and paperwork
- In force since
- December 13, 1979
- Docket
- Unknown
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The order itself the regulatory text, as published
Show the full text (1,104 characters)
79-25-03 DETROIT DIESEL ALLISON: Amendment 39-3625. Applies to Model 501-D13, 501-D13A, 501-D13D, 501-D13E, and 501-D13H engines equipped with second, third, and fourth stage turbine wheels P/N's 6829072, 6847112, 6788833, 6842143, 6841223, 6846553, 6738424, and 6843014.
Compliance required as follows unless previously accomplished:
(a) For second stage turbine wheels, remove from service in accordance with FAA approved revision of 501-D13 CSL-235 dated December 13, 1979.
(b) For third and fourth stage turbine wheels, remove from service in accordance with FAA approved revision of 501-D13 CSL-253 dated December 13, 1979.
Detroit Diesel Allison Commercial Service Letters 501-D13 CSL-235, 501-D13 CSL-253, and Commercial Overhaul Information Letter 501-D13 COIL-349 revised as of December 13, 1979 are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). The incorporated service documents may be obtained from Detroit Diesel Allison, Division ofGeneral Motors Corporation, Indianapolis, Indiana 46206.
This amendment becomes effective on December 13, 1979.
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of October 30, 2026. Connections as data: /graph/directive/79-25-03.json · aircraft systems.