AD 2006-08-01
Unsafe Condition
Increased play of the propeller bearing and upper pulley wheel.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the propeller bearing and upper pulley wheel by installing a new securing plate, part number 103SL-6400.12, and tighten the grooved nut, part number 103SL-W-6400, to new torque values specified in GROB Luft-und Raumfahrt Service Bulletin MSB869-18/3, dated May 24, 2002.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 25 engine operating hours after May 9, 2006.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
BURKHART GROB LUFT-UND-RAUMFAHRT GmbH & Co. KG Model G 103 C Twin III SL sailplanes, serial numbers 35002 through 35051, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.