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# Ti-/17 (0 Based o~ in service ex~ence, mainly (l~lthe results ofthe operational test required byEASA ~ 201O~0083,Airous has perfonned asafety analysis on the NRV to ~heck ifthe safetylobjectives are met. This analysis ofthe CoII~ctorCell motlvefflow line 'I'.'RV,taking into account all failure scenanos, concludes llJt the previous non compliance can be alleviated. Conse;quently, nounsafJ condition exists any more on the affected NRv. I For the reasons described above, EASA Af) 201 0-0083 is cancelled The proposed AD would rescind the parallel FJ AD 2009·18~19. I ACTION: Proposed rule; rescissioo. SUMMARY; We propose to rescind airworthiness directive (AD) 2009-18-19. This I ~" proposed AD results from mandatorycontinuing airworthiness mfonnation (MeAl) I~ ~( 

# > i) I ~.- issued byEASA, torescind EASA AD 2010-0083

1_ The MeAl specifies the following:

_ Itbas been assessed that multiple NRY [non return valve] failures in combination with certain:trapped fuelcase~could potentially increase (he quantity of unusable fue~on the aeroplane,1 possibly leading to fuel starvation which could result inengines inlflight shut down and would constitute an unsafe con4ition. Toprevent landdetect [his condition, EASA issued EASA AD 2010~0083. I Model A340-200 and -300 Serif;5Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. Airworthiness Directives; 

## Airo:us Model A33Q.-2DO and -3'00Series Airplanes, and



# 1-0Io-n17 (Docket No. FAA-20*·~'**u.;Directorate Identifier 2010--NM-218-ADI Federal Aviation Administraoon

RIN 2)2D-AA64 14 eFR Part 39 14910-13-PJ DEPARTMENT OF TRANSPORTATION

FAA Form 1360·14.1 (5-89) OFFICIAl FILECOPY1491O-13-P)



### DEPARTMENT OF TRANSPORTATION Federal AviatioD 

### Administration 14 CFR Part 39 (Docket No..FAA-20**-*****; Directorate Identifier 2010-NM-218-ADJ RIN 2120-AA64 Airworthiness Directives; Airbus Model A33@-200 and -300 Series Airplanes, and Model A340-200 and -300 Series Airplanes AGENCY: Federal Aviation Administration (IfAA), DOT. ACTION: Proposed rule; rescission. SUMMARY: We propose to rescind airworthiness directive (AD) 2009-18-19. This proposed AD results from mandatory COlJtinuirlg airworthiness infonnation (MCAI) issued byEASA, to rescind EASA AD 2010-0083. The MeAl specifies the following: It has been assessed that multiple 1\TRV[non return valve] failures in combination with certain trapped fuel cases could potentially increase the quantity ofllllusable fuel on the 

### aeropla11c, possibly leading to fuel starvation which could result in engineJ in-flight shut down and would constitute an unsafe condition. To prevJnt and detect this condition, EASA issued EASA AD 2010-0083. Based on in service experience, mainly 

# Ion the results of the operational test required 

### by EASA AD 2010-0083, !Airbus has performed a safety analysis on the NRV to check 

### if the 

### saf6ty objectives are met. This analysis of the Collector Cell 

### motile flow line NRV, taking into aCCOlll1t all failure scenatios, conclUdeslthat the previous non compliance can be alleviated. Consequently, no unsafe condition exists any more on the atJected NRV. For the reasons described above, EASA! AD 2010-0083 is cancelled The proposed AD \vou1d rescind the parallel 

### F1A AD 2009-18-19. COHCU~~ 

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FAA Form 1350-14.1 (5-89) O~FICIAl FILECOry -tJ- u.s. GOVERNMENT PRINT1NG OFFICE: 1995 _7£9.2111491o-13-PI DEPARTMENT OFTRANSPORTATION Federal Aviatioll Administration 14CFR Part 39 IDo~ket No. FAA-20"'-****"';'Directorale Identifier 201O-NM-218-ADI RIN 2no-AA64 Airworthiness Directives; Air~s ModelA33Q-200and ·300 Series Airplanes. and Model A340·200 and -300 Seri~ Airplanes AGENCY: Federal Aviation lwministration (FAA), DOT. ACTION: Proposed rule; rescission. SUMMARY: We propose 10rescind airworthiness diTeclive (AD) 2009-18-19. This proposed AD results from mand3.1ory continuing airworthiness information (MeAl) cooo_-:o



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# --
issued byEASA, to rescind EASA AD 201 ()...()()83. The MeAl specifies the foHowing: It bas been assessed thatlnultiple NRV [non return valve) failures in combination with certain trapped fuel cases could potentially increase the quantity of unusable fue~ on the aeroplane, possibly leading 10fuel starvation which could result inengines in-flight shut down and would constitutc an Unsafecon4ition. To prevent and detect this condition, EASA issued EASA AD 2010-0083. Based on in service expejrience, mainly onl the results of the operational test required by EASA AD 2010~0083,Airbus has perfonned asafely analysis on the NRV to ~heck ifthe safely objectives are met. This analysis of the Collector Cell motive flow line l'.'RV. laking into account aU failure scenanos, concludes that the previous non compliance can be alleviated. Consequently. no unsafe condition exists any more on the affected I".'R

V. For {he reasons described above, EASA AD 20I0-0083 is cancelled The proposed AD would rescind the parallel FAA AD 2009-18-19. 

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FAA Form 1360.14.1 (6-89) OFFICIAL ALE COPY