AD 73-13-10 R2
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | BH.125 Series 400A | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model DH-125 and BH-125 Airplanes |
| aircraft | Textron Aviation Inc. | BH.125 Series 600A | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model DH-125 and BH-125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model DH-125 and BH-125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A-522 | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model DH-125 and BH-125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A/R-522 | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model DH-125 and BH-125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A/S-522 | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model DH-125 and BH-125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model DH-125 and BH-125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A/R | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model DH-125 and BH-125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A/RA | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model DH-125 and BH-125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 400A | Airworthiness Directives; HAWKER SIDDELEY AVIATION, LTD Model DH-125 and BH-125 Airplanes |
Unsafe Condition
Cracks in the pivot bolt, pivot pin, or outer flap hinge assembly fittings could cause in-flight failure of the outer flap hinge assembly.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect pivot bolts/pins for cracks using dye penetrant; replace cracked parts with new or approved equivalents. Inspect outer flap hinge assembly fittings' lugs for cracks with a 10X magnifying glass, replace cracked fittings if not meeting fail-safe criteria. Inspections required at intervals not exceeding 3 months.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight, within the next 6 weeks after the effective date (June 23, 1980), and thereafter at intervals not to exceed 3 months from the last inspection.
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Affected Aircraft
Hawker Siddeley Aviation, Ltd. Model DH-125 and BH-125 airplanes, including serial numbers 25014, 25074, 25104, 256002, and 256004, and other serials not excluded by AD 80-12-10.
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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