# AD 92-17-12: Fluorescent Lighting Systems

- Type: Airworthiness directive
- Status: Current
- Products: Textron BAe.125 Series 800A, BAe.125 Series 800A (C-29A), BAe.125 Series 800A (U-125), BH.125 Series 600A, HS.125 Series 600A and HS.125 Series 700A
- Effective: September 28, 1992
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-8341
- Docket: 92-NM-64-AD
- Registered aircraft: 106 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1E9DB98E25DFF1D986256A09005E2E1A.0001
- DRS record last changed: January 21, 2026
- Page: https://openairdocs.org/ad/92-17-12

## The airworthiness directive

92-17-12 BRITISH AEROSPACE: Amendment 39-8341. Docket No. 92-NM-64-AD.

Applicability: Model HS/BH 125-600A, HS 125-700A, and BAe 125-800A series airplanes; as listed in British Aerospace Service Bulletin 33-45-25A027A&B, dated December 23, 1991; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent electrical arcing and a resultant fire, accomplish the following:

  (a) Within 180 days after the effective date of this AD, modify the cabin and toilet fluorescent lighting systems, in accordance with British Aerospace Service Bulletin 33-45-25A027A&B, dated December 23, 1991.

  (b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who mayadd comments and then send it to the Manager, Standardization Branch, ANM-113.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch.

  (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

  (d) The modification shall be done in accordance with British Aerospace Service Bulletin 33-45-25A027A&B, dated December 23, 1991. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from British Aerospace, PLC, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, DC 20041-0414. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street NW., suite 700, Washington, DC.

  (e) This amendment becomes effective on September 28, 1992.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A3EU](https://openairdocs.org/tcds/A3EU): Textron Aviation Inc.; names 4 of 50 models: HS.125 Series 600A, HS.125 Series 700A, BH.125 Series 600A, BAe.125 Series 800A (U-125)

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 106 (106 by airframe model, 0 by engine model)
- Makers: British Aerospace 80, Corporate Jets 8, Raytheon Corporate Jets 8, Hawker Siddeley 7, Raytheon 3

Models with the most aircraft:

- [British Aerospace BAE 125 SERIES 800A](https://openairdocs.org/model/british-aerospace-bae-125-series-800a): 61 aircraft (airframe model)
- [British Aerospace HS 125-700A](https://openairdocs.org/model/british-aerospace-hs-125-700a): 14 aircraft (airframe model)
- [Corporate Jets BAE 125-800A](https://openairdocs.org/model/corporate-jets-bae-125-800a): 8 aircraft (airframe model)
- [Raytheon Corporate Jets BAE 125-800A](https://openairdocs.org/model/raytheon-corporate-jets-bae-125-800a): 8 aircraft (airframe model)
- [Hawker Siddeley HS.125 SERIES 700A](https://openairdocs.org/model/hawker-siddeley-hs-125-series-700a): 7 aircraft (airframe model)
- [British Aerospace BAE 125-800A](https://openairdocs.org/model/british-aerospace-bae-125-800a): 5 aircraft (airframe model)
- [Raytheon BAE 125-800A](https://openairdocs.org/model/raytheon-bae-125-800a): 2 aircraft (airframe model)
- [Raytheon HS 125-700A](https://openairdocs.org/model/raytheon-hs-125-700a): 1 aircraft (airframe model)

All 9 models: https://openairdocs.org/ad/92-17-12/models.md
Every aircraft: https://openairdocs.org/ad/92-17-12/aircraft.md

Its text cites no advisory circulars or STCs.

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