AD 87-25-10

final rule
Data completeness: 70%

GROB Models G103 TWIN II and G103A TWIN II ACRO Gliders

AD Number
87-25-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Burkhart Grob Luft-Und G103 Twin II GROB Models G103 TWIN II and G103A TWIN II ACRO Gliders
aircraft Burkhart Grob Luft-Und G103A Twin II Acro GROB Models G103 TWIN II and G103A TWIN II ACRO Gliders

Unsafe Condition

Failure of the rudder lever could result in the glider becoming uncontrollable.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Within 5 hours time in service after the effective date, visually inspect the rudder lever P/N 103B-4430 using a 10 power magnifying glass and flashlight per GROB Repair Instruction No. 315-33/1. Replace damaged parts before further flight with rudder lever P/N 103B-4430/1 and two rudder stop screws M 6 x 45 mm per GROB Repair Instruction No. 315-33/2. Prior to March 15, 1988, replace any non-compliant rudder lever and screws with specified parts per the same repair instructions.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within the next 5 hours time in service after the effective date of this AD, unless compliance with Paragraph (c) has been accomplished. Prior to March 15, 1988 for replacement under Paragraph (c).

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

GROB Models G103 TWIN II and G103A TWIN II ACRO gliders, Serial Nos. 3730 through 3878, and Serial Nos. 33879 through 34078 (ACRO with supplement K)

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.