AD 2008-26-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier-Rotax GmbH 914 F Series Reciprocating Engines |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier-Rotax GmbH 914 F Series Reciprocating Engines |
| engine | Rotax | GmbH 914 F Series Reciprocating | Airworthiness Directives; Bombardier-Rotax GmbH 914 F Series Reciprocating Engines |
Unsafe Condition
Occurrence of cracks in the exhaust muffler in the area of the exhaust bottom and exhaust flange, which could lead to toxic contamination inside the cabin.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the exhaust muffler for cracks in the specified area. Replace the muffler if cracks are found. Install a new muffler with the updated manufacturing process.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date (January 26, 2009).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bombardier-Rotax GmbH 914 F series reciprocating engines with exhaust muffler part numbers 979402 or 979404, with serial numbers listed in Table 1 of the AD. Installed on various aircraft models including Aeromot-Industria Mecanico Metalurgica AMT-300, Diamond Aircraft Industries HK 36 TTS, HK 36 TTC, HK 36 TTC-ECO, and Stemme GmbH & Co. KG S10-VT series powered sailplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.