AD 98-04-47
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | SOCATA | TB 10 | Airworthiness Directives; SOCATA - Groupe AEROSPATIALE Models TB9, TB10, and TB200 Airplanes |
| aircraft | SOCATA | TB 200 | Airworthiness Directives; SOCATA - Groupe AEROSPATIALE Models TB9, TB10, and TB200 Airplanes |
| aircraft | SOCATA | TB9 | Airworthiness Directives; SOCATA - Groupe AEROSPATIALE Models TB9, TB10, and TB200 Airplanes |
Unsafe Condition
Cracks in the main landing gear (MLG) support ribs could cause MLG failure, resulting in loss of control during landing operations.
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Required Actions
Inspect MLG support ribs for cracks at all four locations per Socata SB 10-085, Amend. 2. Replace ribs with reinforced parts (P/N TB10 11008001/2) if cracks exceed tolerances. Incorporate reinforcement kit OPT10 910800 or OPT10 920100 if within tolerances or no cracks found, depending on model and serial number.
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Compliance Time
Upon accumulating 1,500/3,000/6,000 landings on MLG support ribs or within the next 75/100 landings after the effective date (April 3, 1998), whichever occurs later.
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Affected Aircraft
SOCATA - Groupe AEROSPATIALE Models TB9 (S/N 1-1442, 1444-1574), TB10 (S/N 1-803, 805-815, 820-822, 804, 807-819, 823-1701, 1707-1733, 1737-1761), and TB200 (specific S/N ranges as per paragraph (b)), serial numbers 1 through 9999.
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
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