Airworthiness directives › 2000-23-10
AD 2000-23-10 Airworthiness Directives; Lockheed Model 188A and 188C Series Airplanes
Models named: 188A, 188C series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
All Model 188A and 188C series airplanes, certificated in any category.
Compliance
Required as indicated, unless accomplished previously. To prevent incapacitation of the flightcrew and consequent loss of control of the airplane due to delays in donning oxygen masks in response to the activation of the cabin altitude warning horn; accomplish the following: Revision to the Airplane Flight Manual (a) Within 90 days after the effective date of this AD, revise the Emergency Procedures Section of the FAA-Approved Airplane Flight Manual (AFM) to include the following (which may be accomplished by inserting a copy of this AD in the AFM): “Low Cabin Pressure Warning Light Comes On and Horn Starts Blowing a. Oxygen Masks—Don. Select 100% oxygen. b. If conditions dictate, initiate emergency descent. c. Check cabin differential pressure gage. 1. If differential pressure is below 13.34 + 0.30 in. Hg, lower cabin altitude selector wheel. 2. If differential pressure is at 13.34 + 0.30 in. Hg, descend to lower aircraft altitude. Note: Warning horn can be silenced with cabin altitude warning horn switch.” Alternative Methods of Compliance (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, Atlanta Aircraft Certification Office (ACO), FAA. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Atlanta ACO. Note 1: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Atlanta ACO. Special Flight Permit (c) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. Effective Date (d) This amendment becomes effective on December 27, 2000. Issued in Renton, Washington, on November 6, 2000. Donald L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 00-28963 Filed 11-21-00; 8:45 am] BILLING CODE 4910-13-P
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1