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Airworthiness directives › 2000-08-03

AD 2000-08-03 Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplanes

2000-05-05
2000-04-20
39-11689
2000-NM-97-AD
Airframe
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Models named: MD-11 series. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

Model MD-11 series airplanes, certificated in any category, having the serial numbers listed below.               Group 1 Airplanes: 48565 48566 48533 48549 48470 48406 48504 48602 48603 48571 48439 48605 48572 48471 48573 48600 48601 48633 48513 48574 48575 48542 48543 48576 48415 48631 48544 48632 48577 48545 48578 48546 48743 48744 48747 48748 48745 48746 48749 48579 48766 48768 48767 48769 48754 48623 48770 48753 48773 48774 48755 48758 48775-48779 inclusive 48624 48756 48780 48532 Group 2 Airplanes: 48555 48556 48581 48630 48557 48539 48558 48559 48616 48560 48617 48618 48561 48629 48562 48563 48757 48540 48564 48634 48541 48798 48781-48792 inclusive 48794 48799 48801 48800 48802-48806 inclusive Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (d) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.

Compliance

Required as indicated, unless accomplished previously. To prevent overheating of the electrical pins inside the cargo control units (CCU) and subsequent release of hot gases and flames, which could result in smoke and fire in the cargo compartment, accomplish the following: Restatement of Requirements of AD 2000-05-01: Deactivation (a) For Group 1 airplanes having serial numbers other than that identified in paragraph (c) of this AD: Within 15 days after March 20, 2000 (the effective date of AD 2000-05-01, amendment 39-11610), deactivate the forward and center CCU's in accordance with the following procedures: (1) Remove the access panel to the forward cargo compartment CCU circuit breaker panel located at fuselage station 1009.300 (right side looking aft). Pull and collar the following circuit breakers: B1-506 B1-485 B1-500 B1-489 B1-480 B1-495 B1-488 B1-481 B1-499 B1-487 B1-498 B1-490 B1-486 B1-482 (2) Remove the access panel to the center cargo compartment CCU circuit breaker panel located at fuselage station 1701.000 (right side looking aft). Pull and collar the following circuit breakers: B1-552 B1-758 B1-753 B1-762 B1-518 B1-764 B1-761 B1-519 B1-752 B1-760 B1-751 B1-763 B1-759 B1-520 (b) For Group 2 airplanes having serial numbers other than that identified in paragraph (c) of this AD: Within 15 days after March 20, 2000, deactivate the forward and center CCU's in accordance with the following procedures: (1) Remove the access panel to the forward cargo compartment CCU circuit breaker panel located at fuselage station 1009.300 (right side looking aft). Pull and collar the following circuit breakers: B1-506 B1-485 B1-500 B1-489 B1-480 B1-495 B1-488 B1-481 B1-499 B1-487 B1-498 B1-490 B1-486 B1-482 (2) Remove the access panel to the center cargo compartment CCU circuit breaker panel located at fuselage station 1701.000 (right side looking aft). Pull and collar the following circuit breakers: B1-552 B1-758 B1-753 B1-762 B1-518 B1-764 B1-761 B1-519 B1-752 B1-760 B1-751 B1-759 B1-520 New Requirements of this AD: (c) For Group 1 airplane, serial number 48769, and for Group 2 airplane, serial number 48563: Within 15 days after the effective date of this AD, accomplish the actions specified in either paragraph (a) or (b) of this AD, as applicable. Alternative Methods of Compliance (d)(1) 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, Los Angeles Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Los Angeles ACO. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Los Angeles ACO. (2) Alternative methods of compliance, approved previously in accordance with AD 2000-05-01, amendment 39-11610, are approved as alternative methods of compliance with paragraph (a) or (b) of this AD, as applicable. Special Flight Permits (e) 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. (f) This amendment becomes effective on May 5, 2000. Issued in Renton, Washington, on April 12, 2000. Donald L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 00-9674 Filed 4-19-00; 8:45 am] BILLING CODE 4910-13-U

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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