AD 85-25-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | BOEING Model 757-200 Series Airplanes |
Unsafe Condition
Self-locking nuts (P/N BACN10JC12CM or BACN10JC12CD) installed in aileron, rudder, and elevator power control actuators, and rudder ratio changer may have insufficient self-locking torque characteristics.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 30 days after the effective date, check the nuts for proper self-locking torque per Boeing Service Bulletin 757-27-0069. Replace non-compliant nuts prior to further flight with ones meeting torque requirements. Alternate means of compliance may be used if approved.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 757-200 series airplanes listed in Boeing Service Bulletin 757-27-0069, dated November 4, 1985.
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.