AD 91-03-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | BAe.125 Series 1000A | Airworthiness Directives; BRITISH AEROSPACE Model BAe/DH/HS/BH-125 Series Airplanes |
| aircraft | Textron Aviation Inc. | BAe.125 Series 1000B | Airworthiness Directives; BRITISH AEROSPACE Model BAe/DH/HS/BH-125 Series Airplanes |
| aircraft | Textron Aviation Inc. | BAe.125 Series 800A | Airworthiness Directives; BRITISH AEROSPACE Model BAe/DH/HS/BH-125 Series Airplanes |
| aircraft | Textron Aviation Inc. | BAe.125 Series 800A (C-29A) | Airworthiness Directives; BRITISH AEROSPACE Model BAe/DH/HS/BH-125 Series Airplanes |
| aircraft | Textron Aviation Inc. | BAe.125 Series 800A (U-125) | Airworthiness Directives; BRITISH AEROSPACE Model BAe/DH/HS/BH-125 Series Airplanes |
| aircraft | Textron Aviation Inc. | BAe.125 Series 800B | Airworthiness Directives; BRITISH AEROSPACE Model BAe/DH/HS/BH-125 Series Airplanes |
| aircraft | Textron Aviation Inc. | BH.125 Series 400A | Airworthiness Directives; BRITISH AEROSPACE Model BAe/DH/HS/BH-125 Series Airplanes |
| aircraft | Textron Aviation Inc. | BH.125 Series 600A | Airworthiness Directives; BRITISH AEROSPACE Model BAe/DH/HS/BH-125 Series Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A | Airworthiness Directives; BRITISH AEROSPACE Model BAe/DH/HS/BH-125 Series Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A-522 | Airworthiness Directives; BRITISH AEROSPACE Model BAe/DH/HS/BH-125 Series Airplanes |
Unsafe Condition
Warming oven fire and insufficient overheat protection due to damaged wiring or thermostat in APC warming ovens with part numbers 255B-LH-28/115, 255B-RH-28/115, or 255-362.
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Required Actions
Within 60 days after March 11, 1991, inspect the wire insulation inside the warming oven per British Aerospace SB 25-54-9758A&B, Rev 1. If wiring or thermostat wiring is damaged, replace them before further flight. Install an additional thermostat and new switch per the same service bulletin.
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Compliance Time
Within 60 days after the effective date of this AD
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Affected Aircraft
British Aerospace Model BAe/DH/HS/BH-125 series airplanes equipped with APC warming ovens having part numbers 255B-LH-28/115, 255B-RH-28/115, or 255-362.
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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