# AD 88-24-16: Cabin Electrical Power - Type: Airworthiness directive - Status: Current - Products: Cessna 650 and S550 - Effective: December 12, 1988 - Superseded by: Nothing supersedes this AD - Product type: Aircraft, Small/large airplane - Amendment: 39-6078 - Registered aircraft: 295 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8B23F9A6E774F62B862569EC005325DD.0001 - DRS record last changed: May 30, 2024 - Page: https://openairdocs.org/ad/88-24-16 ## The airworthiness directive 88-24-16 CESSNA: Amendment 39-6078. Applies to Model S550 series airplanes, Serial Numbers (S/N) S550-0001 through S550-0039, and S550-0041 through S550-0120, except the lavatory vanities on S550-0100 through S550-0120; and Model 650 series airplanes, S/N 650-0001 through 650-0126, except the lavatory vanities on S/N 650-0087 and 650-0105 through 650-0126; certificated in any category. Compliance required as indicated, unless previously accomplished. To preclude wiring failure, which can result in cabin smoke and/or fire, accomplish the following: A. For Cessna Model S550 series airplanes: Before next activation of the airplane's electrical power, disconnect the electrical power to the interior cabinetry in accordance with the accomplishment instructions of Cessna Alert Service Bulletin SBAS550-25-16, dated February 3, 1987. 1. Electrical wiring may be reconnected following modification of the interior cabinetry wiring and electrical components described in,and in accordance with, Cessna Service Letter SLS550-25-02, Revision 4, dated October 21, 1988. B. For Cessna Model 650 series airplanes: Before next activation of the airplane's electrical power, disconnect the electrical power to the interior cabinetry in accordance with the accomplishment instructions of Cessna Alert Service Bulletin SBA650-25-12, dated February 3, 1987. 1. Electrical wiring may be reconnected following modification of the interior cabinetry wiring and electrical components described in, and in accordance with, Cessna Service Letter SL650-25-02, Revision 4, dated October 21, 1988. C. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety may be used when approved by the Manager, Wichita Aircraft Certification Office, FAA, Central Region. NOTE: The request for alternate means of compliance should be forwarded through an FAA Principal Maintenance Inspector (PMI), who may add any comments and then send it to the Manager, Wichita Aircraft Certification Office. D. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD. All persons affected by this directive who have not already received the appropriate service information from the manufacturer may obtain copies upon request to Cessna Aircraft Company, P.O. Box 7706, Wichita, Kansas 67277. This information may be examined at FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or FAA, Central Region, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas. This amendment supersedes AD 87-03-15, Amendment 39-5647, effective July 6, 1987, as to all persons except those to whom it was made immediately effective by Priority Letter AD, 87-03-15 issued February 6, 1987. This amendment, 39-6078, becomes effective December 12, 1988. ## Affected data sheets (2) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS A22CE](https://openairdocs.org/tcds/A22CE): Textron Aviation Inc.; names 1 of 6 models: S550 - [TCDS A9NM](https://openairdocs.org/tcds/A9NM): Textron Aviation Inc.; names 1 of 1 models: 650 ## 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: 295 (295 by airframe model, 0 by engine model) - Makers: Cessna 295 Models with the most aircraft: - [Cessna 650](https://openairdocs.org/model/cessna-650): 201 aircraft (airframe model) - [Cessna S550](https://openairdocs.org/model/cessna-s550): 94 aircraft (airframe model) All 3 models: https://openairdocs.org/ad/88-24-16/models.md Every aircraft: https://openairdocs.org/ad/88-24-16/aircraft.md Its text cites no advisory circulars or STCs. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.