Textron Bell 412EP - 5-30. EACH 2500 OR 3000 HOURS OF MAIN ROTOR MAST (412-040-366-109 AND SUBSEQUENT) OPERATION

BHT-412-MM-2
5-00-00
15 DEC 2015 Rev. 23 Page 155
Export Classification C, ECCN EAR99
SPECIAL INSPECTIONS
5-30. EACH 2500 OR 3000 HOURS OF MAIN ROTOR MAST
(412-040-366-109 AND SUBSEQUENT) OPERATION
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
DATE: __________________W.O. _____________________
FACILITY: __________________________________________
HELICOPTER S/N: ___________________________________
REGISTRY NO.: _____________________________________
TOTAL TIME:_______________________________________
SIGNATURE:________________________________________
NOTE
Accomplish each 2500 hours of main rotor mast
(412-040-366-109 and subsequent) operation on
helicopters S/N 36020 through 36670 and
helicopters modified by 412-570-001-103 or Post
BHT-412-SI-74 (412SP to 412HP Upgrade).
NOTE
Accomplish each 3000 hours of main rotor mast
(412-040-366-109 and subsequent) operation if the
intent of TB 412-14-231 has been complied with on
helicopters S/N 36020 through 36670 and
helicopters modified by 412-570-001-103 or Post
BHT-412-SI-74 (412SP to 412HP Upgrade).
NOTE
Accomplish each 3000 hours of main rotor mast
(412-040-366-129 and subsequent) operation on
helicopters S/N 36671 through 36999 and
S/N 37002 through 37999.