AD 93-24-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | BAe.125 Series 800A | CORPORATE JETS LIMITED (FORMERLY BRITISH AEROSPACE, HAWKER SIDDELEY AVIATION, AND DE HAVILLAND AIRCRAFT CO., LTD) Model BH/HS 125-600A, HS 125-700A, and BAe 125-800A Series Airplanes |
| aircraft | Textron Aviation Inc. | BAe.125 Series 800A (C-29A) | CORPORATE JETS LIMITED (FORMERLY BRITISH AEROSPACE, HAWKER SIDDELEY AVIATION, AND DE HAVILLAND AIRCRAFT CO., LTD) Model BH/HS 125-600A, HS 125-700A, and BAe 125-800A Series Airplanes |
| aircraft | Textron Aviation Inc. | BAe.125 Series 800A (U-125) | CORPORATE JETS LIMITED (FORMERLY BRITISH AEROSPACE, HAWKER SIDDELEY AVIATION, AND DE HAVILLAND AIRCRAFT CO., LTD) Model BH/HS 125-600A, HS 125-700A, and BAe 125-800A Series Airplanes |
| aircraft | Textron Aviation Inc. | BH.125 Series 600A | CORPORATE JETS LIMITED (FORMERLY BRITISH AEROSPACE, HAWKER SIDDELEY AVIATION, AND DE HAVILLAND AIRCRAFT CO., LTD) Model BH/HS 125-600A, HS 125-700A, and BAe 125-800A Series Airplanes |
| aircraft | Textron Aviation Inc. | HS.125 Series 600A | CORPORATE JETS LIMITED (FORMERLY BRITISH AEROSPACE, HAWKER SIDDELEY AVIATION, AND DE HAVILLAND AIRCRAFT CO., LTD) Model BH/HS 125-600A, HS 125-700A, and BAe 125-800A Series Airplanes |
| aircraft | Textron Aviation Inc. | HS.125 Series 700A | CORPORATE JETS LIMITED (FORMERLY BRITISH AEROSPACE, HAWKER SIDDELEY AVIATION, AND DE HAVILLAND AIRCRAFT CO., LTD) Model BH/HS 125-600A, HS 125-700A, and BAe 125-800A Series Airplanes |
Unsafe Condition
Failure of the sealant installed around the over-temperature sensor located in the fuel control enclosure box of the APU could allow fuel leakage from the APU into the fuel control enclosure box, leaking into the aft equipment bay, creating a fire hazard.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Deactivate the APU by pulling and collaring circuit breakers for APU ignition, fuel supply, and electric power supply for the starter circuit within 14 days. Revise the AFM Limitations Section to prohibit APU operation within 14 days. Replace the sealant with new sealant per Arkansas Aerospace Service Bulletin 49-72-02, Rev 1 to terminate previous requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 14 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
Corporate Jets Limited (formerly British Aerospace, Hawker Siddeley Aviation, and De Havilland Aircraft Co., Ltd) Model BH/HS 125-600A, HS 125-700A, and BAe 125-800A series airplanes equipped with Sundstrand Turbomach APU Model T-62T-39 under STC SA1923SW.
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.