Airworthiness Directive · Amendment 39-15860 · Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-715A1-30, BR700-715B1-30, and BR700-715C1-30 Turbofan Engines
Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-715A1-30, BR700-715B1-30, and BR700-715C1-30 Turbofan Engines
Superseded. A later AD replaced this one: AD 2009-07-01 R1. Comply with the one in force.
This AD applies to Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-715A1-30, BR700-715B1-30, and BR700-715C1-30 turbofan engines. These engines are installed on, but not limited to, McDonnell Douglas Model 717-200 airplanes.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
No later than 30 days after the effective date of this AD the following mandatory actions need to be completed for each individual BR700-715 HP Turbine Stage 1 Rotor Disc for both Part No. BRH20130 and Part No. BRH20131 and High Pressure (HP) Turbine Stage 2 Rotor Disc for both Part No. BRH19423 and Part No. BRH19427 installed in a BR700-715A1-30, B1-30 or C1-30 engine:
(1) Identify the mandatory decreased maximum approved life for the HP Turbine Stage 1 and Stage 2 Rotor Discs listed in the tables below:
| A1-30 Design | B1-30 Design | C1-30 Design | Engine Flight Mission | A1-30 Hawaiian | C1-30 Tropical | C1-30 derated Tropical |
|---|---|---|---|---|---|---|
| BRH20130 | 15971 | 13324 | 10500 | 17647 | 3794 | 7941 |
| BRH20131 | 15971 | 13324 | 10500 | 17647 | 3794 | 7941 |
| A1-30 Design | B1-30 Design | C1-30 Design | Engine Flight Mission | A1-30 Hawaiian | C1-30 Tropical | C1-30 derated Tropical |
|---|---|---|---|---|---|---|
| BRH19423 | 21165 | 17800 | 13372 | 21165 | 10893 | 13461 |
| BRH19427 | 21165 | 17800 | 13372 | 21165 | 10893 | 13461 |
(2) Record the mandatory maximum approved life in the applicable lifing documentation. It is mandatory to use the values given in the two tables in step (e)(1) of this AD.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
