Airworthiness directives › 2014-16-05
AD 2014-16-05 Airworthiness Directives; Embraer S.A. Airplanes
Models named: ERJ 170-100 LR, -100 STD, -100 SE, -100 SU, ERJ 170-200 LR, -200 SU, -200 STD. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Embraer S.A. Model ERJ 170-100 LR, -100 STD, -100 SE, and -100 SU airplanes; and Model ERJ 170-200 LR, -200 SU, and -200 STD airplanes; certificated in any category; as identified in EMBRAER Service Bulletin 170-36-0019, dated August 23, 2011.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 8,000 flight cycles or 12,000 flight hours after the effective date of this AD, whichever occurs later, do the actions specified in paragraphs (g)(1), (g)(2), and (g)(3) of this AD. (1) Do a general visual inspection of the EWIS components adjacent to the left- and right-hand pre-coolers (zones 419 and 429 respectively) for damage, in accordance with the instructions specified in Subject 20-62-00, “Requirements for EWIS Components Inspections and Checks—Maintenance Practices,” of Chapter 20, “Standard Practices-Airframe,” of EMBRAER 170/175/190/195 Standard Wiring Practices Manual SWPM-1590, Revision 25, dated June 3, 2013. Repair all damage before further flight, in accordance with the instructions specified in Subject 20-62-00, “Requirements for EWIS Components Inspections and Checks—Maintenance Practices,” of Chapter 20, “Standard Practices-Airframe,” of EMBRAER 170/175/190/195 Standard Wiring Practices Manual SWPM-1590, Revision 25, dated June 3, 2013. (2) Install a new deflector on the left- and right-hand pre-cooler exhaust flange, in accordance with Part I or Part III, as applicable, of the Accomplishment Instructions of EMBRAER Service Bulletin 170-36-0019, dated August 23, 2011. (3) Apply high temp silicone sealant to the left- and right-hand pre-cooler, in accordance with Part II or IV, as applicable, of the Accomplishment Instructions of EMBRAER Service Bulletin 170-36-0019, dated August 23, 2011.
Unsafe condition
This AD was prompted by reports of “BLEED 1(2) LEAK” messages displayed on the engine indication and crew alert system (EICAS), and indirect damage to components of the electrical wiring interconnection system (EWIS) in the engine pylon area. We are issuing this AD to prevent indirect damage to EWIS components near the engine bleed air pre-coolers, which could result in a dual engine roll back to idle and consequent dual engine power loss and reduced controllability of the airplane.
Affected ADs
None.
Read the original on the Federal Register →
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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