Airworthiness Directive · Amendment 39-14485 · Meggitt Model 602 Smoke Detectors Approved Under Technical Standard Order (TSO) TSO-C1C and Installed on Various Transport Category Airplanes, Including but Not Limited to Aerospatiale Model ATR42 and ATR72 Airplanes; Boeing Model 727 and 737 Airplanes; McDonnell Douglas Model DC-10-10, DC-10-10F, DC-10-15, DC-10-30 and DC-10-30F (KC-10A and KDC-10), DC-10-40, DC-10-40F,
Meggitt Model 602 Smoke Detectors Approved Under Technical Standard Order (TSO) TSO-C1C and Installed on Various Transport Category Airplanes, Including but Not Limited to Aerospatiale Model ATR42 and ATR72 Airplanes; Boeing Model 727 and 737 Airplanes; McDonnell Douglas Model DC-10-10, DC-10-10F, DC-10-15, DC-10-30 and DC-10-30F (KC-10A and KDC-10), DC-10-40, DC-10-40F,
This AD applies to Meggitt Model 602 smoke detectors approved under Technical Standard Order (TSO) TSO-C1C and having any P/N 8930-() identified as a “Current Part Number” in Meggitt Service Information Letter 8930-26-01, Revision C, dated May 25, 2005, as installed on various transport category airplanes, certificated in any category, including but not limited to the airplane models listed in Table 1 of this AD.
| Manufacturer | Model |
|---|---|
| Aerospatiale | ATR42-200, -300, -320, and -500 airplanes. ATR72-101, -201, -102, -202, -211, -212, and -212A airplanes. |
| Boeing | 727, 727C, 727-100, 727-100C, 727-200, and 727-200F series airplanes. 737-100, -200, -200C, -300, -400, -500, -600, -700, -700C, -800 and -900 series airplanes. |
| McDonnell Douglas | DC-10-10 and DC-10-10F; DC-10-15; DC-10-30 and DC-10-30F (KC-10A and KDC-10); and DC-10-40 and DC-10-40F airplanes. MD-10-10F and MD-10-30F airplanes. MD-11 and MD-11F airplanes. |
The FAA is adopting a new airworthiness directive (AD) for certain smoke detectors installed on various transport category airplanes. This AD requires replacing the affected smoke detectors with modified smoke detectors. This AD results from a report indicating that the affected smoke detectors can "lock up" during electrical power transfer from the auxiliary power unit to the engines. We are issuing this AD to identify and provide corrective action for a potentially inoperative smoke detector and to ensure that the flightcrew is alerted in the event of a fire.
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Within 6 months after the effective date of this AD, replace the affected smoke detector with a modified smoke detector, in accordance with Meggitt Service Information Letter 8930-26-01, Revision C, dated May 25, 2005. Replacement of a smoke detector before the effective date of this AD is also acceptable if done in accordance with the original issue of Meggitt Service Information Letter 8930-26-01, dated November 8, 2004; Revision A, dated November 8, 2004; or Revision B, dated January 19, 2005.
For airplanes subject to the requirements of AD 2005-02-04: After all affected smoke detectors have been replaced with modified smoke detectors in accordance with paragraph (f) of this AD, the operational limitation required by paragraph (h) of AD 2005-02-04 is terminated and may be removed from the airplane flight manual.
On or after the effective date of this AD, no person may install on any airplane a Meggitt Model 602 smoke detector having any P/N 8930-() identified as a “Current Part Number” in Meggitt Service Information Letter 8930-26-01, Revision C, dated May 25, 2005.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft
Appliances and equipment
