!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 

# ALERT&SERVICE&BULLETIN&&&&&&&&&&&&&&&& Bulletin&No.:&&2012&

: 001&&&&&&&&&&&&&&&& Revision:&IR&dated&March&7 th ,&2012

Able! Engineering!&!Component!Services!!•!!!!2920!East!Chambers!Street!!!•!!Phoenix,!AZ!!85040

602

C 304

C 1227!Voice!!!•!!!602

C 304

C 1277!Facsimile FAA!Repair!Station!!A1LR190N!!!•!!!EASA!Repair!Station!145.4010 AIRCRAFT AFFECTED:

### !! Eurocopter! BK117! C

/ 1,!BK117! C

/ 2

SUBJECT:!! One!time!inspection!of!spherical!bearings!installed!

in!tail!rotor!pitch!change!links.

SUBJECT&PART ( S ) :!! Tail!rotor!pitch!Link,!P/N 11 7

/ 31822,!117

/ 31821! &

B642M1018101

S/N’ s&A FFECTED :!! See! Appendix!1!(attached)

COMPLIANCE :!! For! affected! components! installed! within! the! last!

ten!(10)!flight!hrs,!Inspection!should!be!conducted!

b efore! next! flight .! ! For! all! other! affected!

components,! Inspection! should! be! conducted!

w ithin! the!next!ten!(10)!f light!hours.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 

# ALERT&SERVICE&BULLETIN&&&&&&&&&&&&&&&& Bulletin&No.:&&2012&

: 001&&&&&&&&&&&&&&&& Revision:&IR&dated&March&7 th ,&2012

Able! Engineering!&!Component!Services!!•!!!!2920!East!Chambers!Street!!!•!!Phoenix,!AZ!!85040

602

C 304

C 1227!Voice!!!•!!!602

C 304

C 1277!Facsimile FAA!Repair!Station!!A1LR190N!!!•!!!EASA!Repair!Station!145.4010 DESCRIPTION :

Able!Engineering!received!a!report!of a tail!rotor!pitch!link! featuring a!spherical

bearing (s) that had! migrated! out! of! the! bearing! bore .! ! Investigation! of! the!

subject!link!revealed!that!the!migration!resulted!from!the!omission of!a!proper!

swaging!operation!during!a!repair!process.!!Affected!parts!were!limited!to!those!

repaired! after! January! 1 st ,! 201 1.! ! Review! of! the! maintenance! records! for! the!

parts!repaired!in!said!time!frame!indicate!inspection!of!additional!components!

is!nec essary.

Able! Engineering! issues! this! bulletin! to! accomplish! a! one

/ time! inspection! of!

specific!parts!that!could!potentially!exhibit!the!same!defect.!!The!affected!parts!

are!listed!in!Appendix!1.!!Only!parts! repaired!in! the! subject! time! frame! (after!

January 1 st ,!2011)!are!subject!to!the!inspections.

MANPOWER :

Approximately!1.5!man

/ hours!is!required!to!complete!this!bulletin.

WARRANTY :

There!will!be!no!warranty!associated!with!this!bulletin.

SPECIAL&TOOLS :

None!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 

# ALERT&SERVICE&BULLETIN&&&&&&&&&&&&&&&& Bulletin&No.:&&2012&

: 001&&&&&&&&&&&&&&&& Revision:&IR&dated&March&7 th ,&2012

Able! Engineering!&!Component!Services!!•!!!!2920!East!Chambers!Street!!!•!!Phoenix,!AZ!!85040

602

C 304

C 1227!Voice!!!•!!!602

C 304

C 1277!Facsimile FAA!Repair!Station!!A1LR190N!!!•!!!EASA!Repair!Station!145.4010 REFERENCES :

Eurocopter!BK!117MM,!Rev.!40,!Da ted!11/1/2011,!Chapter!2!&!Chapter!33

Eurocopter!BKK117

/ C

/ 2!MM,!Rev.!12,!Dated!8/1/2011,!Chapter!2!&!Chapter!67

ACCOMPLISHMENT&INSTRUCTIONS :

Inspection!of!parts!in!appendix!1

1. Remove!affected!links!IAW!applicable!ICA

2. Apply! axial! hand! pressure to! the! faces! of! both! spherical! bearings .! ! The!

pressure!should!be!applied!perpendicular!to!the!face!of!the!bearing s

.

3. Using! a! magni fying! glass/loop! (of! at! least! 8X),! i nspect! the! boundaries

betwee n! the! bearing (s) and! the! bearing! bore chamfer! surface (s) .! ! Ensure!

that!the!b earing (s)!have been!adequately!swage d.!!See!the!drawing!in!Figure!

1 ( fully swaged)!and!Figure!2!( NOT!fully swage d ) for!further!guidance.

4. Should! a! discrepant!bearing (s) be!discovered ,!remove! the!link from!service!

and!return!it!to!Able!Enginee ring!(See!Appen dix!2!for!shipping instructions)!

for!warranty!consideration.

5. Make! an! entry! in! the! helicopter! historical! records! indicating! compliance!

with!this!bulletin.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 

# ALERT&SERVICE&BULLETIN&&&&&&&&&&&&&&&& Bulletin&No.:&&2012&

: 001&&&&&&&&&&&&&&&& Revision:&IR&dated&March&7 th ,&2012

Able! Engineering!&!Component!Services!!•!!!!2920!East!Chambers!Street!!!•!!Phoenix,!AZ!!85040

602

C 304

C 1227!Voice!!!•!!!602

C 304

C 1277!Facsimile FAA!Repair!Station!!A1LR190N!!!•!!!EASA!Repair!Station!145.4010!!!!!!

/ Figure!1

/!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 

# ALERT&SERVICE&BULLETIN&&&&&&&&&&&&&&&& Bulletin&No.:&&2012&

: 001&&&&&&&&&&&&&&&& Revision:&IR&dated&March&7 th ,&2012

Able! Engineering!&!Component!Services!!•!!!!2920!East!Chambers!Street!!!•!!Phoenix,!AZ!!85040

602

C 304

C 1227!Voice!!!•!!!602

C 304

C 1277!Facsimile FAA!Repair!Station!!A1LR190N!!!•!!!EASA!Repair!Station!145.4010!!!!!!!!!!!!!!

/ Figure!2!

/!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 

# ALERT&SERVICE&BULLETIN&&&&&&&&&&&&&&&& Bulletin&No.:&&2012&

: 001&&&&&&&&&&&&&&&& Revision:&IR&dated&March&7 th ,&2012

Able! Engineering!&!Component!Services!!•!!!!2920!East!Chambers!Street!!!•!!Phoenix,!AZ!!85040

602

C 304

C 1227!Voice!!!•!!!602

C 304

C 1277!Facsimile FAA!Repair!Station!!A1LR190N!!!•!!!EASA!Repair!Station!145.4010 / Appendix!1!

/!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 

# ALERT&SERVICE&BULLETIN&&&&&&&&&&&&&&&& Bulletin&No.:&&2012&

: 001&&&&&&&&&&&&&&&& Revision:&IR&dated&March&7 th ,&2012

Able! Engineering!&!Component!Services!!•!!!!2920!East!Chambers!Street!!!•!!Phoenix,!AZ!!85040

602

C 304

C 1227!Voice!!!•!!!602

C 304

C 1277!Facsimile FAA!Repair!Station!!A1LR190N!!!•!!!EASA!Repair!Station!145.4010 Ship! discrepant component s!to!Able!Engineering!for!corrective!action!and!

warranty!consideration.!!Ship!to:

Able!Engineering!&!Component!Services
Attn:!!Tony!Mitteer

2920!E.!Chambers!Street
Phoenix,!AZ!85040

USA

For!further!questions,!please!contact:

Tony!Mitteer (602)!304

/ 1227 Office (602)!828

/ 7612!Mobile Tony.Mitteer@AbleEngineering.com

/ Appendix!2!

/