# -~ AfIIAC AGENCIA NACIONAL DE

### AVIACAo CIVIL- BRAZIL 

## BRAZILIAN AIRWORTHINESS DIRECTIVE AD 

### No.: 2010-06-05 Effective Date: 26Jul. 2010 The [ollow!.ng Braziliilrl AirworthiuE's:;- Directi'~·e (AD), issued by t.ne Ag"'nci~ Nilcional de A"o"la<;ao Civil (I\Nile) in i.,ecordance with pro'Jisicws or Ch"[Jeer IV, Title· III Of C&::.Hgo Brasil(OJrD ,i~!I('rOHfiLJl-.i(;'l
- Law No, ",1,565 Gal"," 19 D"ccmiJ",. 1ga6
- and R"gu.1am""to Ilrasileiro (Ie Homologano .",eronOutil;il (ImllA} 39, ~pp.lles to "I Laifcraft n'giSl"n~din tlle kegistroll\eronauUco flr.asileiw. No person may np"ratc an "irGr~ft to ,,,hiGh l_h;~ fJ,J appli~~, ,,"1e5~ it ha~ preVi.OUSiY "ompHed WiLh th8 rll""iromunu oc<tab.1J.shod imroin.

AD No. 2010-06-05 -IEMBRAER - Amendment 39-1305. APPL1CABlLITY: I This Airworthiness Directive is applicable to Embraer Models ER.I 190-100 STD, ERJ 190-100 LR, ERJ 190-100 IGW, ERl1190-100 Eel, ER.l190-100 SR, ERl 190-200 STD, ERl 190-200 LR and ERJ 190-200 IGW airplanes ~quipped with Hamilton Sundstrand ram air turbine (RAT), Model ERPS37T, Part Number (PIN) 17031

### 181 Series; with the serial numbers (SiN) contained m Embraer Service Bulletin 190-24-0019, original issue, orfurther revisions approved by the ANAC.

CANCELLATION IREVISION: N/A. REASON: Lthas been found occurrence of screw- units manutactured with mctallographic n011- COnf01l11ily

that may mcrease their susbeptibility to brittle fracture. The screw failme may result in loss of lherelated balance washer causing apbssible ram air turbine (RAT) imbalance event, which may result in RAT structural failure, which associated with an electrical emergency situation, could result in loss of powcr to airplane tlight controls hydra{t1icback-up system.

Since this condition ~ay occur in other airplanes of the same type aud affects flight safelY, acorrective action is required. Thus, sutTicienl reason exisls to request compliance with this AD mIheindicated time limit.

REQlTIRED ACTION: Inspection, replacemebt and identification, ifnecessary, ofthe airplane ram air turbine. COMPLIANCE: 

# I Required as indicated relow, unless already accomplished. (a) Within the next 1200 [light hours (HI) or G months aner the cffective dale of this AD, whichever occurs first, carry out

# hRAT general visualll1spection (GVI) to clleck ils modeJ, PiN and SIN, orcheck inthe applicable maintehance records, the RAT identd"icatiol1.

(1) Ifthe RAT SIN i[1 not Ii",d" 'peed"d inthi, AD APLICABlLlTY pomgmph, no action isrequired atthis timc.

_

(2) lftbe RAT SiN islisted as specified inthis AD APPICABILlTY paragraph, cl1eckif the symbol "24-5" ismarked onthe RAT identification plate. Inpositive case, no action isrequired althis time. Nevertheless, if the symbol is ~ot marked, thcn replace the RAT balance SCrewaud identify the RAT identification plate with the sym~ol, "24-5".

(b) Alter the acco~plislmlent of item (a) above, 

### it is not permitted to install a replacement/spare Hamilton Sundstrahd RAT, Model ERl)S37T, PiN 1703781 Series with one of lhe SINs lisled inthis AD APLLlCABILriry patagraph, unless itisidcntil"ied with the symbol "24-5" on the identification plate. I Form F-900-04ECONTINUATION OF AD No.: 2010·06..Q5 • AMENDMENT ,39-1305 PAGENo.: 2/2

NOTE: For the purpose of t~is AD, a general visual inspection (GVl) is: "1\ visual examination of an inLenOfOfexterior area, lllstallation or assembly to detect obvious damage, failure Of irregularity. This level ofinspection ismade fro~11 within touching distance, unless otherwise specified. A mirror may be necessary Loenhance visual access toall exposed surfaces inLheinspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, , flashlight ordrop-light, and may require remov;! oropening ofaccess panels ordoors. Stands, ladders or platforms may berequired to gain proximity tuthe areabeing checked"

The detailed instructiollS and ~rocedures to accomplish OIlS AD are described in the Embracr Service Bulletin No. 190-24~0019, original issue, orfmthcr revisions approved bythe ANAC. 1 Record compliance with thisA~ inthe applicable maintenance logbook. CONTACT: For additional technical infom1ation, contact: National Civil Aviation Agcn~~
- ANAC Aeronautical Products Celiifieation Branch
- GGCr Av. Cassiano Ricardo, 521, BIOlbo B, 2'!.andar, Parque Residencial Aquarius Fax: 55 (12) 3797-2330 12246-870
- Sao Jose dos Campos
-SP, BRAZIL E-mail: pac(i!Jilnilc.gov.br APPROVAL:
ADEMIR ANTONIO DA SILVA



# I General Manager

GOer

DINO ISHIKURA fl{irworthiness Superintendent



### ANAC
NOTE: Original in Portuguese language signed and available in the fi.lesor the Aeronautical Prodncts

Certification Branch (GGep) 01"the Nllional Civil Aviation Agency (ANAC).

Form F-900-04E