Airworthiness directives › 2017-14-10
AD 2017-14-10 Airworthiness Directives; The Boeing Company Airplanes
Models named: MD-11, MD-11F. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model MD-11 and MD-11F airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin MD11-28A148, Revision 1, dated March 24, 2017.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Do the actions in paragraphs (g)(1) or (g)(2) of this AD, as applicable. (1) Except as specified in paragraph (h) of this AD: At the applicable time in Table 1 of paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin MD11-28A148, Revision 1, dated March 24, 2017, do the actions in paragraphs (g)(1)(i), (g)(1)(ii), and (g)(1)(iii) of this AD. Before further flight do all applicable corrective actions, in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin MD11-28A148, Revision 1, dated March 24, 2017. Repeat the actions thereafter at the applicable time in Table 1 of paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin MD11-28A148, Revision 1, dated March 24, 2017. (i) Check for the presence of fuel at the fuel shroud drain valves. (ii) Do a high frequency eddy current (HFEC) inspection for cracked fuel line shrouds. (iii) Do a pressure test of the drain system of the tail tank fuel shroud and a pressure test of the drain system of the aft fuselage fuel shroud to determine if there is cracking. (2) Except as specified in paragraph (h) of this AD: At the applicable time in Table 2 of paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin MD11-28A148, Revision 1, dated March 24, 2017, do the actions in paragraphs (g)(2)(i) and (g)(2)(ii) of this AD. Before further flight do all applicable corrective actions, in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin MD11-28A148, Revision 1, dated March 24, 2017. Repeat the actions thereafter at the applicable time in Table 2 of paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin MD11-28A148, Revision 1, dated March 24, 2017. (i) Check for the presence of fuel at the fuel shroud drain valves. (ii) Do a pressure test of the drain system of the tail tank fuel shroud and a pressure test of the drain system of the aft fuselage fuel shroud to determine if there is cracking.
Unsafe condition
This AD was prompted by a report of fuel odor in the cabin. Fuel was found leaking from a cracked fuel line shroud in the left cargo compartment equipment tunnel. We are issuing this AD to detect and correct fuel leaking from a cracked fuel line shroud, which could result in fuel accumulation below the cargo compartment floor and consequent increased risk of fire.
Affected ADs
None.
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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