TB 1--2840--263--20--03
7. Parts to be Inspected.
NOMENCLATURE
PART NUMBER
NATIONAL STOCK NUMBER
1st. Stage Nozzle Shield
23062752
2840--01--470--5603
1st. Stage Nozzle Shield
23062750
2840--01--470--5603
8. Inspection Procedures.
a. Inspect aircraft records of the following aircraft to determine if suspect engine is installed and determine currente engine
operating hours.
(1) All OH--58D and H--6M aircraft with C30R/3 C30B/M engines installed.
(2) All H--6C and H--6J aircraft with commercial C20B and C30 engines installed
NOTE
Any engine or turbine module from any OH--58A/C/D or H--6 series aircraft sent
to any maintenance facility other than those listed below since 1 January 1996
are suspect.
(a) Aeromaritime Mediterranean Corp., 4115 Pleasant Valley Road, Chantilly, VA. 20151--1227.
(b) Dallas Airmotive, Inc., 7511 Lemon Avenue, Bldg. B, Dallas, Texas 75209.
(c) Keystone Engine Services, 1420 Phenixville Pike, West Chester, Pennsylvania 19380.
(d) Premier Turbines, 3551 Doniphan Drive, Neosho, MO. 64850--9199.
(e) Rolls Royce Engine Services, Oakland (National Airmotive), 7200 Earhart Road, Oakland, California 94621--4504.
(f) Standard Aero Limited, 33 Allen Dyne Road, Winnipeg, Manitoba Canada.
b. If any OH--58D or H--6 series aircraft have a suspect engine installed and engine has less than 600 operating hours
perform inspection in paragraph 8. f. through 8. j. at the next scheduled 600 engine hour inspection and at every third
100 engine hour inspection (300 hours) until suspect parts are replaced. Enter a Red Horizontal Dash on DA Form
2408--13--1 "Engine requires Stage 1 Nozzle Shield inspection at 600 Eng. Hrs. at xxxxx Acft Hrs. in accordance with
TB 1--2840--263--20--03".
c. If any OH--58D or H--6 series aircraft have a suspect engine installed and engine has more than 600 engine hours
but less than 900 engine hours perform inspection in paragraph 8. f. through 8.j. at next 100 hour engine inspection interval
and at every third100 hour engine inspection (300 hours) until suspect part is replaced. Enter a Red Horizontal Dash on
DA Form 2408--13--1 "Engine requires Stage 1 Nozzle Shield inspection at next 100 hour Eng. inspect at xxxxx Acft Hrs.
in accordance with TB 1--2840--263--20--03".
d. If any OH--58D or H--6 series aircraft have a suspect engine installed and engine has 900 hours or more perform engine
inspection in paragraph 8. f. through 8. j. within the next 20 flight hours and at every third 100 hour engine inspection (300
hours) until suspect part is replaced. Enter a Red Horizontal Dash on DA Form 2408--13--1 "Engine requires Stage 1 Nozzle
Shield Inspt. at xxxxx Acft. Hrs. in accordance with TB 1--2840--263--20--03".
f. For suspect engines, gain access to 1st. stage nozzle shield in accordance with TM 1--2840--263--23.
(1) Remove 1st. stage nozzle shield from engine using TM 1--2840--263--23 and note its part number.
(2) If part number is other than 23062752 or 23062750, perform visual inspection on shield in accordance with applicable
maintenance manual and clear original Red Horizontal Dash entry.
(3) If part number is 23062752 or 23062750, then perform Dye Penetrant inspection using (TYPE I, Method A or B),
TM 1--1520--266--23 Paragraph 1. 4. 7.
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