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DEPARTMENT OF TRAJ'ISPORTATION Federal AviatioD Administration 14CFRPart39 

# LjY . IDocket No. FAA-2010-ill; Directorate Identifier 2010-NM-033-AD] RIN 2120-AA64 Airworthiness Directives; McDonnell Douglas Corporation Model DC-l 0-10, DC-IO-IOF, DC-IO-IS, DC-IO-30, DC-IO-30F (KC-IOA and KDC-IO), DC-IOAO, DC-IO-40F; Model MD-IO-JOF, MD-JO-30F, MD-l I, and MD-I IF Airplanes AGENCY: Federal Aviation Administration (FAA), Department ofTransportation (DOT). ACTION: Notice ofproposed rulemaking (NPRM). SUMMARY: The FAA proposes to supersede an existing airworthiness directive ( 

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### all Model DC-!O-IO, DC-IO-lOF, DC-IO-lS, DC-IO-30, DC-lO-30r (KC-IOA and KDC-IO), DC-IOAO, DC-IO-40F, MD-IO-lOF, MD-JO-30F, MD-!l, an MD-l IFairplanes. The existing AD currently requires an inspection to determine ifa certain fuel pump housing electrical connector is installed. The existing AD also reqUl arcvisiOll to the FAA-approved airplane flight manual (AFM) to advise the flightcrew tlle appropriate procedures fordisabling certain fuel pump electrical circuits following failure ofa fuelpump housing electrical connector ifapplicable. The existing AD also requires the deactivation of certain fuel tanks or fuel pumps and the installation of placards ifapplicable. The existing AD allows the optional replacement ofthe fuel pu housing electrical connectors with new, improved parts, which would temlinate the AF revisions, deactivation ofcertain fuel tanks and fuel pumps, and placard installation. T proposed AD would instead require replacing the fuelpump housing electrical connecto assembly with anew part and domg repetitive inspections forcontinuity, resistance, and 

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insulation resistance, and doing corrective actions ifnecessary. This proposed AD results FAA Form 1360-14.1 (6-89) OFFICIAL FILE COPY • U.S.GPO:'990-0-768-01 212010'l~rn"'.Gi.'G ••.•• ruRE 

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DC-IO-IOF, DC-lO-IS, DC-lO-30, DC-lO-30F (KC-IOA and KDC-l 0), DC-IO-40, DC~I0-40r; ModeJ MD-lO-l 01~, MD-IO"JOF, MD-l1, and MD-L1 FAirplanes Airworthiness Directives; McDonnell Douglas Corporation Model DC-10-1O, RIN 2120-AA64 IDocket No. FAA-2010-++++; Directorate Identifier 2010-NM-033-AD]

ACTION: Notice ofproposed rulemaking (NPRM). AGENCY: Federal Aviation Administration (FAA), Department of Transportation (DOT). SUMMARY: The FAA proposes to supersede an existing airworthiness directive (AD)

failure ofa fuel pump housing electrical connector if-applicable. The existing AD also MD-1IF airplanes. The existing AD currently requires an inspection to determine 

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# SY"'~ll requires the deactivation ofcertai,n fuel tanks or fuel pumps and the installation of ~mtl"",",""""""}" placards ifapplicable. The existirg AD allows the optional replacement of the fuel pump 14 CFR Part 39

that applies to all Model DC-l 0-10, DC-l 0-1OF,DC-] 0-15, DC-1O-30, DC-l 0-30F (KC-IOA and KDC-IO), DC-lO-40, DC-IO-40F, MD-IO-IOF, MD-iO-30F, MD-ll, and I OEPARTMENT OF TRANSPORTATION

, certain fuel pump housing electrical connector is installed. The existing AD also requires 

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# ;;-!lP arevision to the FAA-approved airplane ;flight manual (AFM) to advise the flightcrew of 

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housing electrical connectors with new, improved parts, which would terminate the AFM revisio~, deactivation of certain ruel tanJcsand fuel pumps, and placard installation. This proposed AD would instead require replacing the fuel pump housing electrical connector I assembly with anew part and doing repetitive inspections tor continuity, resistance, and FAAForm 1J6()-H.1 (6-891 I OFFIClALFILECOpy •.u.s, =''='<N",s~"T

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# "o.zl' insulation resistance, and doing corrective actions ifnecessary. This proposed AD results