AD 2000-16-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Schweizer | Various | Airworthiness Directives; Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, 269C-1, 269D, and TH-55A Helicopters |
Unsafe Condition
Failure of the tail rotor swashplate shaft (shaft) due to an undersized replacement shaft, which could lead to loss of the tail rotor and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the tail rotor swashplate shaft nut for looseness and the shaft for proper size. Replace any undersized shaft with an airworthy shaft of the proper size. Inspections must be conducted within 10 hours time-in-service (TIS) and at intervals not exceeding 10 hours TIS, followed by a detailed inspection at the next scheduled 100-hour or annual inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 10 hours time-in-service (TIS) for initial inspection, and at intervals not exceeding 10 hours TIS for subsequent inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, 269C-1, 269D, and TH-55A helicopters with a tail rotor swashplate shaft, part number 269A6049-3, or a tail rotor pitch control assembly, part number 269A6050-5, with a serial number with an 'S' prefix and number 1047 through 1061.
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
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